2012年1月27日 · My bud has a chance to get a 90 250 yz for 500 hun. should he buy it? what if anything should he know about that year?

2010年8月17日 · I've been looking at some late 90's YZ250 's, and I'm not sure if there's bad/good years, or what years share frames and engines for sparts swapping. Pre-99 YZ's are shorter-stroked (bigger diameter) 250cc engines.

The Yamaha YZ250 is a two-stroke motocross race bike made by Yamaha. The model was launched in 1974, and has been regularly updated and is still in production with new releases every year. The original YZ250 of 1974 used an air-cooled 250cc two-stroke engine of 70 mm bore and a 64 mm stroke, which was improved semi-annually.

For 1990, Yamaha continued punching out bikes designed around this "nothing bad, yet nothing great" philosophy. Power: Yamaha mellowed the '90 YZ 250 engine low-end power, much to the dismay of...

Browse our extensive inventory of new and used Yamaha Yz motorcycles from local Yamaha dealers and private sellers. Compare prices, models, trims, options and specifications between …

2020年8月22日 · 1989 YZ 250 WR, topped out at 96 MPH, a little short of a 100 MPH, but not bad for it's day. I had one, clocked on my friends radar. 5th gear was so tall, with the bike maxed out in 4th, dropped almost to 1/3 throttle when shifting to 5th. Stock gearing.

Shop Motorcycle Parts for 1990 Yamaha YZ250 with eBay Guaranteed Fit. Great deals. Massive selection from top brands on eBay.com.

Yamaha for some strange reason, neutered the famous YZ250 hit for 1990. The short-stroke motor now produces less low-end with a smoother midrange hook. The most sedate hit allows the bike to maintain better traction on slick surfaces, but the …

For this month’s feature on rebuilding the 1995 CR250R, we looked back at the original test, which appeared in the November 1994 issue. We loved the motor. The history of the Yamaha YZ250 is the history of motocross in America. No other machine has been the platform for so many firsts. The list of technologies.

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