Offered for sale is an excellent used OEM Yamaha complete transmission or gearbox from an 89 YZ125.  Based on my microfiche research, should also work OK on the 1990 version of the YZ125.

Includes the following major pieces:
  • Mainshaft with all gears
  • Countershaft with all gears
  • Shift Drum
  • All 3 shift forks with shafts
  • I priced retail on both trans shafts & 1 gear and all are discontinued and current retail for the 3 pieces is a whopping $385.00.  FOR JUST 3 PARTS!  Come on guys, this is a hell of a deal.  For less than $100 you could buy it "just in case" and put it on the shelf.
This trans is from an 89 YZ125 we purchased for parts that had sat for almost 30 years.  The story is the machine lunched a crank not long after it was purchased new and then it was parked until we got it.

Condition of this trans is problem-free.  I see absolutely nothing that would be considered a problem.  Gears and shafts look great with a very minimum of wear.  Countershaft splines and nut threads are good.  Shift drum and forks look great.  No galling on any of the forks and they show a very minimum amount of wear.  No surprises with this jewel.

Selling at a fair price considering the quality with calculated FedEx Ground or USPS Priority Mail shipping to your front door.  BUY WITH CONFIDENCE.  CHECK OUR FEEDBACK.

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