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Author Topic: Bike Teardown and Re-Build Complete! (PICS!)  (Read 8103 times)

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Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« on: February 03, 2013, 12:47:05 PM »
Here's the story... Bought a stock 07 YZ 125 for 2000. Found a tricked out 08 YZ 125 for 2100 with a bored engine. Didn't want to deal with complications from the bored engine, so I did an engine/carb/CDI box swap, and sold the stock YZ 125 with the bored engine. When it was all said and done I had to do some minor repairs to the stock engine based on my inspection of the bike.

Completed Repairs:
-Shift shaft seal
-Countershaft seal
-Re-Ring (Piston and cylinder were spotless)
-Re-Jet
-Power Valve (Pins were falling out)
-Hand Cleaned the engine

In the future:
-Replace Ignition Cover Bolts (They've yielded for some reason?)
-Re-route fuel line (Kinked due to oversized tank)
-Set Race Sag (Currently is about 110 mm, static sag is about 32mm) - Target is +/- 105mm/25mm
-Wiseco Top End
-Barnett Clutch Basket

Here's the final product:







« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline ford832

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #1 on: February 03, 2013, 02:36:06 PM »
Holy epileptic fit Batman!  :o
J/k,good job.How's she run?  8)
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline riffraff

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #2 on: February 03, 2013, 02:46:25 PM »
hahaha, looks like a chick's bike .... just kidding too  :P
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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aaahhhhh yes, I remember the good old days

Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #3 on: February 03, 2013, 03:21:20 PM »
Quote from: ford832 on February 03, 2013, 10:36:06 PM
Holy epileptic fit Batman!  :o
J/k,good job.How's she run?  8)

lol, I like to call it the YZ 125, Eddie Van Halen edition. Thanks.

Well - it starts up and sounds great! I'll find out how it runs when the snow melts. :-
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Formerly knownas Premixed

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #4 on: February 03, 2013, 03:23:21 PM »
So that's a 4200 dollar YZ125?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline riffraff

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #5 on: February 03, 2013, 03:27:01 PM »
No, he sold the other one and got the better of the two engines
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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aaahhhhh yes, I remember the good old days

Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #6 on: February 03, 2013, 03:34:54 PM »
Final price for me was 2400, in which I also got a OEM clutch parts (hub, fiber and aluminum plates, pressure plate, springs, bearings) just need the basket which I'm going to buy next winter - Barnett.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #7 on: February 03, 2013, 03:35:37 PM »
Quote from: riffraff on February 03, 2013, 10:46:25 PM
hahaha, looks like a chick's bike .... just kidding too  :P

Lame! I think it looks cool :)

...you just ruined this bike for me... i'm selling it now...
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline cr125 rider

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #8 on: February 03, 2013, 04:50:43 PM »
I seen this bike on ebay or Craigslist :o
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #9 on: February 03, 2013, 05:55:05 PM »
Quote from: cr125 rider on February 04, 2013, 12:50:43 AM
I seen this bike on ebay or Craigslist :o

I'm sure you did! that's where I bought it.

If youre in Michigan though, I don't know how you saw it, lol.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Coop

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #10 on: February 03, 2013, 05:57:27 PM »
Good work. A little loud for my tastes but I'm old  :D .
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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- Mike - Don't take life so seriously, nobody gets out alive.

Offline JRod4928

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #11 on: February 03, 2013, 06:04:06 PM »
hahaha, thanks. I wish I could say I put those graphics on, but I didn't - I bought it that way. Although, I would have chosen those graphics, or something similar, anyway.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline TMKIWI

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #12 on: February 04, 2013, 06:53:03 AM »
Looks different to the normal YZ.
I like.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline cr125 rider

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #13 on: February 04, 2013, 01:19:59 PM »
Quote from: JRod4928 on February 04, 2013, 01:55:05 AM
Quote from: cr125 rider on February 04, 2013, 12:50:43 AM
I seen this bike on ebay or Craigslist :o

I'm sure you did! that's where I bought it.

If youre in Michigan though, I don't know how you saw it, lol.

Lol i am in michigan.Hard to forget that graphic kit  :P
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline motoxr377

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Bike Teardown and Re-Build Complete! (PICS!)
« Reply #14 on: February 04, 2013, 01:43:15 PM »
Nice build   :)
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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