Two Stroke Motocross
Two Stroke Motocross Forum => General Two Stroke Talk => Topic started by: nancis on December 09, 2018, 01:59:48 PM
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One things leads to another around here and with winter comes the project list! What's on our list???
Well...there is an '83 YZ250 getting some preliminary work done on it. Tank restoration in progress, researching parts, this one might be in the works for a while.
Next there is a '93 YZ125...Nanci needs a Revo racer for the upcoming vintage season ::) This is kinda going to be a two-become-one project. We have two of them, one is pretty rough but has some good parts on it, came with a '96 motor. The other...well we're going to go retrieve it from our storage unit this afternoon to see what it can bring to the bench!
Somewhere on the list is Ron's '93 YZ250 that really could use a rebuild...he bought it new in '93 and it needs some love now.
And...there is one other project in the works too...that one can't be revealed yet...but soon ;D
The garage is full and somehow we still need to find time to actually go do some trail riding!
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Unfortunately I am currently bike-less other than my 1977 XR75 (I got it in 1979, my first bike) I restored last year before I got sick. Have fun with those projects, sounds like some good ones!
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I went a little off the beaten path... I picked up a non running quad. Before everyone flips out... it a 2 stroke utility quad... and it is truly a project... It's a 2002 Polaris Xplorer 400 that I was told it had blown a head gasket and would overheat. This quad was a working machine on a dairy farm. So when I picked it up, it was still covered in cow shit... yes covered in cow shit. I'm sure it had not had a bath in a long, long time. The farmer offered to try and start it... I declined knowing I was going to rebuild the top end anyway. The tires were almost flat, dry rotted with little to no tread, but everything was there, and they had a repair manual (BONUS ;D). When I pulled into the house, I had to hose it off before even taking it off the trailer and putting it into the garage. Yes it smelled dairy farm fresh.
I began by removing the plastics and disassembling the motor. The head gasket had definitely been reused, as the over use of silicone was appalling. Half of the water jackets were closed off by the overuse of silicone. The head had a small imperfection but I didn't that was the issue. As I dug deeper I found a coolant hose from the cylinder to the water pump completely blocked... no way any coolant was getting through. I took an air hose an blew out the water pump inlet port... tons of crap came out the outlet port. Yea I think found the reason for the overheating. This poor machine was so neglected... The starter which sits at the bottom of the motor in front of the transmission did not work. Lots of disassembly required just to get the starter out. After I dropped the starter out, I see what looks like another wire hanging down... What the hell is this wire to... I pulled on it and its not a wire, but the tail of a mummified mouse... Yea I had a good laugh over that one... that's when I knew i had to give this thing another bath to get to the stuff I missed before, as it still smelled dairy farm fresh.
Now I knew it had gotten hot before, so I had some concerns about the piston / cylinder. It had a wiseco piston which didn't look too old, but definitely had a slight seizure. The cylinder had previously been bored 1 over. Yes it too had signs of slight seizure. I gave it a quick cleanup, and did some work to deglaze the cylinder walls. I installed new wiseco piston and rings and began the reassembly. Just because the part was cheap, I replaced the head for piece of mind. Then I find the quad has lost it's spark. I tested the stator & pickup coil, and all checked out. The coil was giving weird readings. Now I am happy to wrench on anything mechanical... mechanical issues I can usually see and understand the cause and find a solution to repairs them... electrical issues drive me to drink... My cousin who had a similar machine had a similar issues and replaced the CDI and coil only to find his pulse coil trigger just needed and adjustment. He gave me his old parts (coil and CDI) as he sold the machine a few years ago. I dropped in his coil, no spark, swapped CDI's, still no spark. Put in my CDI back in, still no spark. Ordered a new coil, still no spark. I'm about ready to set the quad on fire... I swap the CDI's as my son walks into the garage, an finally there's spark... He claim's it was because of his electrical personality the machine sensed his presence and began to work... yea ok son... I don't care other then there's spark...
I needed to correct a few other things before I can remount the gas tank. So being curious install the spark plug and shoot a little starting fluid into the carb, hit the starter and she fires right up.... That my friends is why you get a smoker over a stroker. I still have a lot of work to do to the quad. The brakes are metal to metal, It does have a lot of grease fittings, I emptied an entire tube of grease into the quad, and it could still use a bit more... I need to change the tranny fluid, and front diff oil. Refill the cooloing system, and tidy up the rats nets of a wiring. So the project continues. The main reason for the quad was to mount the snow plow from my tractor to the quad... I need to be able to plow snow faster than the tractor can go, as well as not get stuck (hence the 4x4). And of course my vehicle of choice had to be a 2 stroke, even if it does have four wheels.
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My project is to sell three bikes, the 03 Honda CR125, the 93 Honda CR125 and the basket case 90 MX250 KTM. getting divorced so these will have to go. Keeping the 89 RM 125 and the 90 Honda CR 125, due to the fact that this was the time in my life that I got started in moto. Ride on brothers.
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Side note Eric on resistance checking coils. The battery in the meter will start to charge the coil. The longer you leave it on the stranger the readings get.
It is extremely rare for an ignition coil to fail. There is very little to go wrong with the.
racer-x: Sorry to hear that man, been there, not a good time.
--Ron.
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Thanks Ron, I will be OK. I wont have much to report on next year as I plan on focusing on Home matters, but look out 2020!
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Thanks Ron, I will be OK. I wont have much to report on next year as I plan on focusing on Home matters, but look out 2020!
I am glad you are keeping a positive attitude. Don't be afraid to vent on us here if you need to man.
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Thanks Coop. Everyone has been really supportive and that means a lot, from close family to moto family.
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So sorry to hear this Racer... If there's anything you need please let us know... we are here for you...
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Side note Eric on resistance checking coils. The battery in the meter will start to charge the coil. The longer you leave it on the stranger the readings get.
It is extremely rare for an ignition coil to fail. There is very little to go wrong with the.
--Ron.
I temporarily mounted the tank and gave it a splash of gas... She fired right up... I agree Ron, coils rarely fail, but something was amiss... I'm not sure why the combination of mismatched components worked... but it did and I'll take it. Started to remount the plastics and other assorted pieces... the biggest challenge is remembering what bolt goes where... This poor thing has so many mismatched nuts and bolts (They even see masonry screws as replacements). On my bikes I always replace the odd bolts with the correct size. Your can just about dismantle my bike with just an 8mm, a 10mm and a 12mm wrench. Don't think I'm going to be doing that here... ;D Far to many odd / replaced nuts and bolts.
Hopefully before too long, I'll be able to take it around the block, then the design work begins to figure out how to mount the plow from my lawn tractor onto the quad.
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Thanks epro, means a lot.
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Eric...I died laughing at that whole story! And then the followup...mismatched bolts...remember to ask Ron about the hinge pin "motor mount bolts" he pounded out last night! Yes, for real...eek When you get the plow mounted a picture will be required!
We are currently working on several projects but the the hinge pins were on the '93 YZ 125 that will be mine for next race season...it's kinda scary so far... It'll be good when we are done, like you we replace all non standard hardware with the right stuff!
Racer-X...yeah...sorry man :( The other guys are right, feel free to vent here (we have that talk about anything board option!) Support is good, regular and moto family alike.
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My brother was pro at using the wrong fastener. When I disassembled my '77 XR75 earlier this year I pretty much threw everything in the garbage and started over haha. Thank goodness for hardware kits. Carriage bolts for engine mounts, lag bolt in the seat, it was a wreck. He worked on this bike when I was kid before I learned to do it myself. I guess I should be grateful he kept it rolling for me :) .
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thanks nancis, no need to vent though, id rather think of better times we had and move on. The music and bourbon have been great comfort so far lol, friends too of course.
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This may be the worse case of motorcycle abuse and mechanical ineptitude I have seen so far.
These were driven in in place of the front and lower motor mounts on Nanci's project YZ125.
(http://www.twostrokemotocross.com/images/doorpinmm.jpg)
I had too use the BAH (Big Ass Hammer) and a punch to drive them back out.
Fortunately they were wedged into the frame tabs and didn't damage the cases.
--Ron.
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works bolts lol
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Maybe "Whatever (kinda) works" bolts....
--Ron.
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Well this is a new color I haven't seen inside an engine before.
(http://www.twostrokemotocross.com/images/96125.png)
(http://www.twostrokemotocross.com/images/96125_2.png)
I'm pretty sure someone put mixing oil into the transmission. You can see there isn't the usual water droplets you get from coolant and the blue stuff that has separated out is oil.
--Ron.
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well, it is a two stroke tranny lol
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Eric...I died laughing at that whole story! And then the followup...mismatched bolts...remember to ask Ron about the hinge pin "motor mount bolts" he pounded out last night! Yes, for real...eek When you get the plow mounted a picture will be required!
Wow and I thought my barn finds were bad... I kept smelling gas in the garage... the floor had a little of something but... hmmm On the quad I found gas petcock was not shutting off and fuel was flowing... The needle valve was not holding back fuel and it all flowed into the exhaust. Not knowing this I disconnected the exhaust, leaving the short U pipe from the engine to the long exhaust. .. hit the starter and get a gas shower... yea... great... I was not happy, (neither was my wife when I tried to wash the gas soaked clothes and stuck up the washer) So now I'm tracking down a carb rebuild kit, and a new petcock. I changed the tranny fluid... nasty, and the diff fluid... almost looked like oil... Now that I've run the engine a bit, the radiator fluid has moved and picked up the rest of the gunk left behind, so it needs flushed out (again)
The new coil came with a cap that requires the tip of the plug to be removed... most plugs do not have that option anymore. I tried using the old cap... no go, its bad. So I'm picking up a new cap before the weekend. Once I know the fuel is not longer an issue I'll mount the rest of the plastics and bumpers and may actually ride it around the block...
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Did you get it running?
We may have abandoned the 125 project for now...it started getting pretty bad and with the other projects we have going it was looking like something that wasn't going to be ready by May for racing. Moving on...looking at the other bike options in storage, there's a YZ250 in there ;D
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I have zero winter projects on the go at this point, though I'm working on it.
I completed my KTM 105 experiment and it was a lot of fun. I'm fast on it in the woods but it's too small (and a little scary) on the MX sections which we have in abundance in our woods races. So I'm putting it up for sale soon.
After looking at the numbers (and from what I can recall when I rode one) I think I might try out a late model YZ125. It's the smallest of the 125's by at least 2" on the wheelbase, great suspension and a decent motor - at least something I can work with. So I'm looking for an 08-17 bike.
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A new (er) 125 should be fun :) I sat on one at the dealership the other day and wouldn't mind it coming home...it was brand new and had a nice price tag tho...I can wait or find a bit older one, they're all the same anyway!
We are moving forward with other projects and waiting to see what we can find for the vintage racer project...the ladies in the vintage race club started a Revo2 class and, well...I need a bike. I did take Ron's '93 YZ250 out for one of the races and that worked ok but sure a whole new experience for me! My normal vintage racer is an '86 IT200, not exactly a "race" bike ::) but it works!
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I've looked at new ones too but I can't get past those blue rims and you're right. They've been the same for a dozen years. There's a 2010 for sale locally, a kids bike with only 50 woods hours on it. It's a little more than I want to pay for a 2010 but it might be worth it.
No immediate plans for the Husky CR150. I'm not really sure what to do with it. It's a bit of an orphan, parts are going to get near impossible to get and at some point, probably soon, it will be worth almost nothing. But it's the best bike I've ever ridden, and I've got it working perfect on the motocross track, it's just a little too big for me in the woods.
Or maybe I just want to buy another bike :P
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Did you get it running?
We may have abandoned the 125 project for now...it started getting pretty bad and with the other projects we have going it was looking like something that wasn't going to be ready by May for racing. Moving on...looking at the other bike options in storage, there's a YZ250 in there ;D
Yep new coil cap ($3.00). And now she fired up every time. Rebuilt the carb, just need to get it out of the garage and take it around the block so I can put the final adjusts to the carb (need to get it out and warm so make final adjustments) Had an issue with the forward /reverse lever... took a while to get it adjusted but now I think I got it. Before when you put it in forward the lever hit the front fender and the gears just grinded. The shifter is worn and sloppy but I’ll make it work
Family holiday obligations have kept me out of the garage, but I should be able to get it going pretty soon. Need to start fabricating a mount for my tractors snow plow.
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Had issues with Polaris' Forward / reverse / Low Range sifter. Every time I would put into forward the tranny would grind. Reverse and Low Ranger were fine. After adjusting the shifter rods 1,000 times I puled the shift dogs and reclocked them to where I felt would work better... A little adjustment of the shifter rods, and now we have all the proper gears. At this point, all electronics work, including headlights, tail lights, and brake light. The engine starts and runs, 4 wheel drive works, and all fluids have been changed...
I actually took it around the block... lets just say I am definitely a two wheel rider... The quad is running so rich, the fumes will burn your eyes. So to dig into the problem,
1st - I'm going to lower the float, its definitely too high.
2nd - will be to pull the jets, and try to get the numbers off of them so I have a baseline.
3rd - I'm going to look at the choke (enricher) to make sure its completely closed when turned off.
Any other suggestions as to the jetting?
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Beaner...pretty sure you just want (need) to buy another bike! ;D ;D
Eric...I'm trying to get Ron to have a minute to see if he's got ideas about your jetting...by the time he sits for a minute you'll probably have it figured out...
We did abandon that 125...just too many things to do to it in order to have a snowballs chance to get it together for race season...soooooo....we just bought another one! ::) It's a reasonably solid bike...at least it's complete, let's say that. Something we can work with, it runs and has most of the parts (going to need an entire bolt kit tho). Since the rules say I can race up to a 1996 or "similar technology" this one is a '97 that is going to identify as a '96 from now on!! Not sure what it will look like in the end but it has a metallic blue powder coated frame and black plastics (those will be replaced with white!)
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I actually took it around the block... lets just say I am definitely a two wheel rider... The quad is running so rich, the fumes will burn your eyes. So to dig into the problem,
1st - I'm going to lower the float, its definitely too high.
2nd - will be to pull the jets, and try to get the numbers off of them so I have a baseline.
3rd - I'm going to look at the choke (enricher) to make sure its completely closed when turned off.
Any other suggestions as to the jetting?
That is a good beginning. Too high a float level cause rich jetting across the board so that one should be number one for sure.
--Ron.
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I actually took it around the block... lets just say I am definitely a two wheel rider... The quad is running so rich, the fumes will burn your eyes. So to dig into the problem,
1st - I'm going to lower the float, its definitely too high.
2nd - will be to pull the jets, and try to get the numbers off of them so I have a baseline.
3rd - I'm going to look at the choke (enricher) to make sure its completely closed when turned off.
Any other suggestions as to the jetting?
That is a good beginning. Too high a float level cause rich jetting across the board so that one should be number one for sure.
--Ron.
I was thinking about this while working... ::) I remember when I got my 1974 Honda Elsinore CR250M out of moth balls.. had the same issue, ran like crap unless I turned off the fuel, then it cleared up and ran like a scalded ape... that one took a new carb to clear up... of course I didn't know enough about jetting to know what to do. Now I have just enough knowledge to be dangerous... :-\
thanks, I'll reset the float and will go from there...
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Well I dug into the quad to find the rough running and smoking issue... Remember when I bought the quad, I was told it blew a head gasket... I found a video of just after I rebuilt the motor, and it did not smoke, but I remember at the 1st startup I had yet to fill the radiator... So why now would it smoke so much, and run so poorly. Having a sneaky suspicion I pulled off a side cover... found a mixture oil and antifreeze inside the magneto (where is should be dry. So yep you guessed it... bad water pump seal along with bad crank seals. Coolant and oil getting into the combustion chamber makes it difficult for any motor to run.
I know what your thinking... bad crank seals mean bad crank bearings. But in this case knowing this will be rarely used, I'm just going to replace the seals, water pump, oil, and crank. The parts have been ordered and I'll replace them. Just getting to the water pump seal is a major pain... but I guess that's what winter projects are for...
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Just getting to the water pump seal is a major pain... but I guess that's what winter projects are for...
We are on bike 3 of the quest to build Nanci a Revolution II class race bike for the upcoming season.
So far this one is better than the first two. Other than the usual missing fasteners (this one might be a new record though!) the only really strange thing I have found is they used actual gear oil like you would put in the differential on your car in the transmission (RIP clutch plates...).
The biggest surprise was it really did have a new top end! No copper crush washers under the head nuts but hey whats a little coolant on the garage floor? At least it actually had coolant in it. Clean coolant at that.
I finished servicing the shock last night, it needed the bottoming bumper replaced and had some signs of oil on the shaft so new seal head along with fresh oil.
Once I get the wheel and suspension bearings changed I can switch to the front suspension. I'm a bit worried because they said they changed the fork seals.... They aren't leaking so someone must of, but I'm hoping they sent that one out [pray].
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alright after making whole sale changes in my life in hopes to win my wife back, which has worked to an extent, I have decided that my 90 katoom needs to be resurrected. Doubt you can remember but she grenaded on me at a race a couple years ago and had shelved her due to frustration. Well she had been a litany of let downs before I put her away and after contemplating selling the old girl, the good Lord told me to rebuild her, so I recently purchased another crank from ebay to have rebuilt in the coming months, then its cylinder re-plating and I will have her running again.
(https://i.postimg.cc/rpbCPcBs/20170319-104931.jpg)
(https://i.postimg.cc/8CqMb4vr/20170319-104946.jpg)
(https://i.postimg.cc/brqG6Bwd/20170319-104924.jpg)
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Wow that is nice!
How hard is it finding parts for those earlier KTMs? I see some good deals from time to time but I always worry about parts.
I may need to do something besides Yamaha next time just for variety.
--Ron.
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Glad to hear things may be a little better with your wife racerX.
How hard is it finding parts for those earlier KTMs? I see some good deals from time to time but I always worry about parts.
--Ron.
Back around 2005 I had an '86 MX250 that the CDI went bad. They were no longer available and at that time nobody sold an aftermarket one. I bought two on eBay and both were bad also, the sellers refunded my money and told me to throw them out both times. I actually threw the bike out on county cleanup day out of frustration. I also had an '84 MX125 and could not get lower crank bearings. Luckily I was able to cross reference them to a CR80 big wheel and was able to rebuild it. That was a very fast 125.
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Back around 2005 I had an '86 MX250 that the CDI went bad. They were no longer available and at that time nobody sold an aftermarket one. I bought two on eBay and both were bad also, the sellers refunded my money and told me to throw them out both times. I actually threw the bike out on county cleanup day out of frustration. I also had an '84 MX125 and could not get lower crank bearings. Luckily I was able to cross reference them to a CR80 big wheel and was able to rebuild it. That was a very fast 125.
Hmm too bad about the 250.
I am going to do an article here shortly about bearings and where to find them.
But the Cliff's Notes version is that they are what manufactures call "standards" i.e. stuff they buy out of a catalog.
Except for a very, very few exceptions where they are one offs (very expensive for the mfg so they don't do that much) you can get almost any bearing for any position from places like Applied Industrial (formerly Bearings Inc.)
Any town of even modest size will likely have a bearing supplier for the local repair and industrial operations.
--Ron.
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Happy to hear your putting the pieces back together RacerX... Also good luck on the Katoom... It would be interesting to watch the progress.
On my winter project, I dug down to the water pump seals / bearing. The bearing was rusty, yes rusty, seals are hard and nasty. It had been leaking for a long, long time. At least now I've found the issue and can confidently make the repairs knowing it will be good to go when I'm done.
I've ordered a Lisle 58430 Seal Puller. I want to replace the crank seals and hate the idea of drilling a screw into the seal. I'm always afraid of driving the screw in too far. I'll report back as to how the tool works.
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I've ordered a Lisle 58430 Seal Puller. I want to replace the crank seals and hate the idea of drilling a screw into the seal. I'm always afraid of driving the screw in too far. I'll report back as to how the tool works.
Interesting, I don't have one of those. If it works well though I will order one for sure.
--Ron.
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Ron- Parts are a bear to find, but they are out there
Coop- Thanks mate, same with this bike ignition was crap, bought an aftermarket from Belgium, it works just fine.
epro, thanks mate on both accounts.
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here are the cases split. Both crank bearings growly and another to the main main shaft. I think the rod is bent a bit but no worries, this whole assembly will be in the round file and I will start with a different crank assembly. I have the crank bearings, I just have to find them. I may have to order a seal. The crank rebuild will only cost me labor at about $150. Suggestions for re-plating?
(https://i.postimg.cc/vmQvV5Ny/20190119-191916.jpg)
(https://i.postimg.cc/htGL4Kz4/20190119-191941.jpg)
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Good progress!
On the plating, here is what I have at the moment:
| Vendor | Cost | Delta |
| Power Seal | $189.00 | $267.04 |
| Mellennium Technologies | $224.95 | $231.09 |
| Max Power RPMs | $225.00 | $231.04 |
| US Chrome | $243.00 | $213.04 |
| Kustom Kraft Performance | $369.00 | $87.04 |
| New (RMATVMC) | $456.04 | $0.00 |
This is for a YZ250 but that only matters on the delta from new.
The cylinder is currently enroute back from Powerseal in PA so I will have a report on the quality once it arrives.
--Ron.
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I've ordered a Lisle 58430 Seal Puller. I want to replace the crank seals and hate the idea of drilling a screw into the seal. I'm always afraid of driving the screw in too far. I'll report back as to how the tool works.
Interesting, I don't have one of those. If it works well though I will order one for sure.
--Ron.
Sorry Ron, the tool did not ship and I wanted to get onto the rebuild. I ended up pulling them a little cave man style... Tried the drywall screw method... didn't work, so I went at it with various screw drivers. The stator side was leaking and came out without too much fuss. The opposite side was a bit more stubborn. But with some perseverance and some choice words I got them out.
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I've ordered a Lisle 58430 Seal Puller. I want to replace the crank seals and hate the idea of drilling a screw into the seal. I'm always afraid of driving the screw in too far. I'll report back as to how the tool works.
Interesting, I don't have one of those. If it works well though I will order one for sure.
--Ron.
Sorry Ron, the tool did not ship and I wanted to get onto the rebuild. I ended up pulling them a little cave man style... Tried the drywall screw method... didn't work, so I went at it with various screw drivers. The stator side was leaking and came out without too much fuss. The opposite side was a bit more stubborn. But with some perseverance and some choice words I got them out.
No problem I ordered one from Amazon, should be here tomorrow. I'll give it a try and let you know!
--Ron.
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I've spent some quality time in the garage with the 2 stroke quad... The leaking water pump seals and rusty water pump bearings have been replaced. The crank seals seals were also replaced. Case half's have been cleaned, new gasket with RTV as an additional backup. So at this point, I've done everything to the motor, other than splitting the cases that I could. I fires it up and it's still running lean. I drop the clip and readjust the air screw and finally feel its starting to run like it should. I actually took it for a short ride. (yea confirmed I prefer 2 wheels...) There still some jetting work to do... had to run the air screw in to remove a lean hanging idle. It's now at a 1/2 turn out, yesI know the PJ is too small. I'll be pulling the jets tonight and swapping out for different brass. At least it now starts, runs, and moves under its own power... still have a bog when coming onto the main... I think the main is too small as well. At lease I'm getting close... but of course, now the bendex go out, so you need to play with the starter button to turn over the motor... At this point, that's an inexpensive and easy fix...
Huge progress.... ;D
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sending these out to power seal soon, should have the crank back in a few days so I will post pics of assembly.
(https://i.postimg.cc/BQB0DnTh/20190129-193305.jpg)
bonus photo, Angelo's 17' YZed 125
(https://i.postimg.cc/0QzSM4hf/IMG-20190127-151427-582.jpg)
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Spent some time in the garage on the Polaris smoker. Replaced the bendix and then started on the jetting. I thought it was running lean, so I thought I’d adjust the needle position. At 1st I moved the clip up to the middle spot. It ran better but not perfect... still a bog when coming onto the main., once in a while it would transition well and would run great. So I moved it up another notch (2nd from top) and went to play in the snow. It now revs out, the transition onto the main is good. The quad now runs pretty good. I’ve gotten everything to work like it’s supposed to. Next is the tires need replaced, they’re bald... then it’s time to put it to wok cutting trials for my KTM...
https://photos.app.goo.gl/EBwAbkpTQXX9sqZS8 (https://photos.app.goo.gl/EBwAbkpTQXX9sqZS8)
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OK, crank back, dropped in bearings and drew crank into right side case. assembled transmission and fitted left side case onto right side, bolted together and checked gear selection function. Cylinder sent to Powerseal USA and will assemble clutch and kick spindal etc next.
(https://i.postimg.cc/FsBjs71d/20190209-132415.jpg)
(https://i.postimg.cc/7Yjr1nfx/20190209-132423.jpg)
(https://i.postimg.cc/yN4JGRrK/20190209-142235.jpg)
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Looking good RacerX... nothing like tinkering in the workshop to help relieve the stress of life's issues.
With snow in the forecast, I build a snow plow attachment for the front of the quad. I designed and cut all the metal, and had my son come down weld it together. Problem is I was so tired from working on it most of the weekend, that when it snowed late Sunday night... I just said screw it... Mother Nature put it there and damn it she can take it away too...
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thanks epro, it is nice to be distracted with this.
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thanks epro, it is nice to be distracted with this.
This is the reason I'll buy a clapped out POS and rebuild it over the winter months.
Momma not knowing the price of a new bike said why don't you sell you bike and treat yourself to a new one, one that you don't have to work on... I politely replied I'm not sure you understand the price tag on a new bike... but I'll look into it... I may be selling a previous winter project a 91 KDX 200, the current project, 2002 Polaris Xplorer 400 (two stroke) and my mighty KTM 380... (Notice a pattern with my toys... all asmokers). Even with all of that at the price I'm asking, a new KTM 300 is still quite a few more $$$$. But since she mentioned it... I'll be happy to look into it...
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But since she mentioned it... I'll be happy to look into it...
yes you should lol
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Yes, yes you should :) I'm enjoying this thread, watching all the projects come together :D Mine is coming along nicely, some delays because of snow and not getting parts delivered but it's now back on track!
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cant wait to see nancis
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Anxiously awaiting delivery of a "new" pipe! Tracking said delivery today but tracking scans don't agree...we'll see! If the pipe arrives it might get to see some dirt this weekend, couple local tracks are holding practice ;D
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Finishing up the winch install. I utilized the steel bumper and made a bracket for the winch. It tested my limited fab skills... but she's in, and now just need to run and tuck the wires. I also put a used set of tires on the front and because it was a odd size I had to go new for the rear.
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cylinder comes back tomorrow, so rebuild continues this weekend
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cylinder comes back tomorrow, so rebuild continues this weekend
Nothing like some quality time if the garage wrenching on your toys... looking forward to an update Boogsy
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Just an update on the 2 stroke quad. Just a reminder, Polaris Xployer 400, with piston size one over. I’m struggling with jetting. I’ve gone back to factory settings. Idles great, but bogs when coming onto the main. If you feather the throttle you can work through the big and she’ll run well... it’s difficult to access the carb with the air filter boot in place. If I pull the air filter, no bog, revs out with no issue, no bog, no hesitation. Put the air filter back on, and she struggles. I’m thinking it’s too lean with the air filter in place.. I’ve adjusted the clip position and have tried turning the air screw in and out with out much success.
One other thought... this machine in oil injected. When I put her back together, all I had was bel ray premix, not 2 stroke oil for oil injection systems. I’m wondering if that could be the underlying cause...
Help me out guys, I’m stumped
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I just realized that Nanci never updated this with the final result of her 125 build.
So here it is:
(http://www.2strokemx.com/images/Nancis125_1.jpg)
Ghost graphics
(http://www.2strokemx.com/images/Nancis125_graphics.jpg)
And the first ride:
(http://www.2strokemx.com/images/NanciFirstRide_125.jpg)
Still needs some jetting work, but off to the the races with it this weekend.
--Ron.
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Just an update... as I thought about the quad... when I got it, it had a leaking crank seal which I fixed. Since I was still running the same jetting of course that would make it running rich. So I took a chance and turned out the air screw to over four turns.. it was running better. So I dropped the needle by raising the clip to the 2nd notch and set the air screw at 2 1/2 turns... better... turned it out to 3 1/4, even better. Now it has just the slightest hint of a hesitation. I think I’m going to leave it for now as the motor need some time on it before I make any more adjustments. I’m just happy to finally cracked the jetting issues. It now does run pretty good... at least for a quad.