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Yamaha's 85cc two-stroke youth motocross racer with small wheels. For racers about 11 to 15 moving up from 65s.
Extensive engine update (reed and power valve, carburetor, CDI, heavier flywheel) plus new engine and swingarm brackets.
All-new YZ85 with revised engine and chassis.
Replaced the YZ80 with an 85cc engine.
Added from the yz80 merge; internal boundaries not found.
engine_cc computed from the cited bore x stroke.
No photos yet.