Compare Dirt Bikes

Pick any two bikes to see specs and photos side by side. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

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85cc 2-stroke

photo coming soon

2026 Yamaha YZ85

Yamaha

2025 Yamaha YZ85

Class	85cc 2-stroke	85cc 2-stroke
Displacement	85cc	85cc
Bore × stroke	47.5 × 47.8 mm	47.5 × 47.8 mm
Cooling	Liquid	Liquid
Induction	reed-valve inducted	reed-valve inducted
Power valve	YPVS (Yamaha Power Valve System)	—
Starter	Kick	—
Transmission	6-speed	6-speed
Front suspension	36mm KYB inverted cartridge fork, fully adjustable	KYB inverted fork; fully adjustable
Front travel	10.8 in	10.8 in
Rear travel	11.1 in	11.1 in
Front brake	220mm	220mm
Rear brake	190mm	190mm
Front wheel	17"	17"
Rear wheel	14"	14"
Seat height	33.1 in	33.1 in
Wheelbase	49.4 in	49.4 in
Weight	161 lb (Wet weight)	161 lb (Wet weight)
Fuel capacity	1.3 gal	1.3 gal
MSRP	—	—

Highlighted (blue) values differ. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).