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Built for fun. Built to win. The updated YZ85 serves up big‑bike specs in a small‑bike package.


Engine Type 85cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke 47.5mm x 47.8mm
Compression ratio 8.2~9.6:1
Fuel Delivery Hitachi Astemo® Keihin PWK28 carburetor
Transmission 6-speed; multiplate wet clutch
Final Drive Chain
Suspension / Front KYB® inverted fork; fully adjustable, 10.8-in travel
Suspension / Rear KYB® single shock; fully adjustable, 11.1-in travel
Brakes / Front Hydraulic disc, 220mm
Brakes / Rear Hydraulic disc, 190mm
Tires / Front 70/100-17 Dunlop® Geomax MX3SF
Tires / Rear 90/100-14 Dunlop® Geomax MX3S
L x W x H 71.7 in x 29.9 in x 44.7 in
Seat Height 33.1 in
Wheelbase 49.4 in
Rake (Caster Angle) 26.3°
Trail 3.5 in
Maximum Ground Clearance 12.6 in
Fuel Capacity 1.3 gal
Wet Weight 161 lb
Warranty 30 Day (Limited Factory Warranty)
Team Yamaha Blue