1981年11月1日 · Reducing the heat buildup is the logical cure. Three of the four Japanese giants have done just that on their ‘81 125 racers. Watercooling the 125s keeps heat and distortion …

Listing 1-10 Of 10. Find Used Yamaha Yz 1981 For Sale (with Photos). VINTAGE 1981 YAMAHA YZ 125 ***AHRMA***.

2020年5月11日 · Check out this restored by father and son 1981 Yamaha YZ125H! Leave your comments on the 1981 YZ125 and shop for parts!

2008年1月19日 · My YZ started life as a yellow craigslist special, I found the tank in the UK. It was complete bike but needed a lot of work (lots of back yard engr)

This group has been created to share information on these YZ models along with buy/sell/trade... It's getting harder to find parts and support for these vintage rides, so let's help each other out. …

2011年11月27日 · I raced a '81 YZ125 back in the day. It was a great bike, but as soon as I threw a leg over a '81 RM125X I moved up several positions.

2012年9月22日 · Dirt Bike magazine had a case/bearing failure while testing the 80, or 81 bike...it spun the crank main bearing in the case. Both are first year models, the 80 was totally different …

2008年6月24日 · As some of you may know, '81 YZ125's were notorious for cooling fluid to leak from the steering head seals. Instead of replacing the seals and rusty bearings on a regular …

Worlds first watercooled motocross bike. Revs to the moon and has plenty of horsepower. Consider this is the first time he is riding this motocross bike. It has a new piston in it so he …

Progressive Motorcycle Insurance. Insure your 1981 Yamaha for just $75/year.* #1 insurer: 1 out of 3 insured riders choose Progressive. Savings: We offer plenty of discounts, and rates start …