YZ85 - Your career starts here!

When you’re serious about a future in motocross, the Yamaha YZ85 is the only one way to start out. YZ85. And when you check out the impressive specifications, it’s clear why this high-tech lightweight is the number one choice for future champions! Featuring a highly-tuned liquid-cooled engine running in a lightweight chassis that’s equipped with long-travel suspension, this junior motocross bike has been developed using much of the same technology as our GP-winning adult models. Available in standard and large wheel (LW) versions, the YZ85/LW is where tomorrow’s champions start out.

Engine
Engine type	Liquid-cooled, 2-stroke, single cylinder, reed valve
Displacement	84.7 cc
Bore x stroke	47.5 x 47.8 mm
Compression ratio	8.2 : 1
Lubrication system	Premix
Fuel System	Keihin PWK28/1
Clutch type	Wet, multiple-disc coil spring
Ignition system	CDI
Starter system	Kick
Transmission system	Constant mesh, 6-speed
Final transmission	Chain
Fuel tank capacity	5 L
Oil tank capacity	0.55 L
Chassis
Chassis:	Semi-double cradle
Front suspension system	Telescopic forks
Front travel	275 mm
Rear suspension system	Swingarm (link suspension)
Rear travel	282 / 287 mm
Caster angle	27º
Trail	106 mm
Front brake	Single disc, Ø 220 mm
Rear brake	Single disc, Ø 190 mm
Front tyre	70/100-17 40M / 70/100-19 42M
Rear tyre	90/100-14 49M / 90/100-16 52M
Dimensions
Length	1,818 / 1,903 mm
Width	758 mm
Height	1,161 / 1,205 mm
Seat height	864 / 904 mm
Wheel base	1,255 / 1,286 mm
Minimum ground clearance	351 / 393 mm
Wet weight	71 kg / 73.9 kg

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