And the 1984 YZ490 is no exception; in fact, not only might it be the fastest Open-class machine of the year, it could be the fastest motocross bike ever built. Yamaha didn’t have to build an...

1987 Yamaha YZ 490 , restored , rebuilt , new over sized tank, fenders, seat, fork guards, back tire, fmf fatty exhaust and brakes. carb rebuilt / jetted. very fast and powerful.

Nov 12, 2008 · The 490 SHOULD have and could HAVE been a relative to the yz 250, but many things went wrong. Also, showing up on a two stroke motorcycle forum and posting how much …

Looking to buy a 1980-1989 Yamaha Yz motorcycle? Browse our extensive inventory of new and used 1980-1989 Yamaha Yz motorcycles from local Yamaha dealers and private sellers. …

Collectors and Restorers of the famous two-stroke dual sport motorcycles from Yamaha from 1968 through the 70's.

It is equipped with a contoured seat, an upswept expansion chamber exhaust, a kick starter, a leading-axle fork, an adjustable rear monoshock with a Monocross rising-rate linkage, and …

1980 YAMAHA YZ50 clean original YZ 50 Ahrma calvmx vintage mx 125 250 Bike runs excellent and has a new piston and rings shifts through all its gears with no problems. 50 Miles

May 1, 1982 · Four Speeds and a Big Motor Aren't Quite Enough. The new rear suspension is much like the factory racers’ suspension used during the ’81 season. Where the old system …

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History: The Yamaha YZ490 was introduced in 1982 (following in the footsteps of the YZ465). Sadly, the 490 was heavier than the 465, nowhere near as reliable, difficult to start, had grim...