Two Stroke Motocross
Two Stroke Motocross Forum => General Two Stroke Talk => Topic started by: coblefutch on July 25, 2011, 04:17:39 PM
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Here Eric explains what is wrong with 4 strokes
http://www.eric-gorr.com/fixing4strokes.html (http://www.eric-gorr.com/fixing4strokes.html)
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That's great! :D
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The article is already somewhere on this site,
but a nice story indeed.
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Too bad at the bottom he doesn't say. Or go out and buy a 250 2 stroke and detune it to run as slow as the 250F, but 5 times as long. :P
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Wow, I bet he gets tired of getting blown up 250f engines.
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Wow, I bet he gets tired of getting blown up 250f engines.
Or he loves them because he's probably got plenty of work now thanks to sh***y four strokes.. ;)
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Lol. Why your four stroke blew up
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Alot of info there, I was in his shop in 98, cylinders everywhere.
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Lol. Why your four stroke blew up
Ive never had one blow up but i could have blown my old 99 400 up with dynamite when it wouldnt start.
>:(
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Lol. Why your four stroke blew up
Ive never had one blow up but i could have blown my old 99 400 up with dynamite when it wouldnt start.
>:(
How many 250F's have you had?
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Ive never had one blow up
>:(
Ive never blown one up either and Ive had atleast a half a dozen of them for full race seasons. I agree they probably blow up more than 2 strokes but they are far from the ticking time bombs people make them out to be. They are like anything else, if you dont maintain it... itll break.
I know Eric knows his engines. Im sure he loves all those broken motors coming to his shop, 4 strokes sound like good job security for him.
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Lol. Why your four stroke blew up
Ive never had one blow up but i could have blown my old 99 400 up with dynamite when it wouldnt start.
>:(
How many 250F's have you had?
None, ive only had 3 4strokes in my life, a 79 XR 80, 99 YZ 400, 06 YZ 450.
Never again............
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I have a 4 stroke that I enjoy riding... Its a Yamaha Vstar 1100, it doesn't handle the woops very well, but it sure is nice for cruising with the better half.. :D
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A fast local kid blew up a 10' kx250f a few weeks ago. It threw the rod through the case and hit the motor mount causing the frame rails to bend. Thats probably the worst one Ive herd of.
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WOW... :o :o :o That sucks, the engine is toast, and so is the frame... Now its an $7,500 boat anchor... ouch
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lol that what I said. I wouldnt even believe it was possable if it came from anyone else. Your right....toast.
Ive heard those 10' kx250f's WILL pop
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Just like most of the 4 stroke sided guys, no one that has owned a 250F usually posts. It's always a 450F guy. We ALL agree the 450F's are pretty reliable. Eric is specifying 250F's, because those are the time bombs.
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Im not sure who that is directed towards. Ive had several 250f's, would you like some pics?
Im not saying they dont blow, they do.
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I bought a RMZ-250 the first year they came out. I raced it in 04 in Alaska and did alot of trials too, then I went to Iraq and my buddy rode it for 05 in Hawaii, I rode it for half of 06 in Hawaii until I bought my CRf-450. I changed the oil frequently and rode the heck out of it. I sucked in some water once too in a river incident in Alaska and rode it 10 miles popping and sputtering back to the truck. It never blew, I never checked a valve, I didn't even know what those were. It never blew up. My 450 I raced from 06 until 09 when I went back to a 2T, and same thing minus the water. I rode it hard and never had an issue. I don't think the problem is that 4T's blow up more, the problem is when they do go it costs alot. All I ever did was change the oil at the proper intervals and kept the air filter clean. You are not going to get a 125 top end to last a season if you ride it at peak rpm all the time and hold it too long at maximum rpm, but it will be easier and a heck of alot cheaper to fix.
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I may have mentioned it on the site, but I used to ride with a guy that dual sported his YZ426 -- supermoto, and dirt. I was on at a track day with him when his motor popped while supermoto'ing it. We counted five holes in the motor -- I've never seen anything like that. Bottom, top, front and back. This had to have been about 10 years back..