Specs compared

Yamaha YZ65 2027 vs Yamaha YZ85 2027

Motocross, stock specs side by side. Each value names the page it came from; a blank on either side stays blank.

Printed differently: engine, front tire, rear tire, fork travel, shock travel, coolant capacity, seat height and weight. The same on both: premix ratio. Checked 28 Sep 2026.

SpecYamaha YZ65 2027Yamaha YZ85 2027
EnginePrinted differently65cc 2T85cc 2T
Front tirePrinted differently60/100-14 30MOwner's manual p. 9-170/100-17 40MOwner's manual p. 9-1
Rear tirePrinted differently80/100-12 41MOwner's manual p. 9-190/100-14 49MOwner's manual p. 9-1
Fork travelPrinted differently216 mm (8.5 in)Manufacturer spec sheet (research)274 mm (10.8 in)Manufacturer spec sheet (research)
Shock travelPrinted differently269 mm (10.6 in)Manufacturer spec sheet (research)282 mm (11.1 in)Manufacturer spec sheet (research)
Premix ratioSame30:1Owner's manual p. 4-430:1Owner's manual p. 4-4
Coolant capacityPrinted differently380 ml (12.8 fl oz)Owner's manual p. 9-1550 ml (18.6 fl oz)Owner's manual p. 9-1
Seat heightPrinted differently755 mm (29.7 in)Owner's manual p. 9-1840 mm (33.1 in)Owner's manual p. 9-1
WeightPrinted differently61 kg (134 lb)Owner's manual p. 9-173 kg (161 lb)Owner's manual p. 9-1

Each value shows where it came from. The bike pages list the document, page and date checked. “Printed differently” only says the two documents print different figures; it is not a judgement of either bike.

Stock sizes at MotoSport. Yamaha YZ65: Front tires 60/100-14 · Rear tires 80/100-12. Yamaha YZ85: Front tires 70/100-17 · Rear tires 90/100-14. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.