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2012 Yamaha YZ85
For the serious mini racer.
YZ85 is ready to race right out of the crate and features a liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed that is compact and light. You also get an ultra-rigid, single backbone, semi-double-cradle frame, fully adjustable suspension and more to suit a wide range of rider from novice to mini expert.
Pricing/Color Information
Features
All
Key Features - Liquid-cooled, 85cc crankcase reed-valve-inducted six-speed is light, compact and designed to deliver hard-hitting, moto-winning power throughout the rpm range.
Key Features - Ultra-rigid, single-backbone, semi-double-cradle frame is lightweight and strong for sharp handling.
Key Features - Fully adjustable suspension allows a broad adjustment range to suit everybody from rank novice to mini expert.
Key Features - Owning a Yamaha 2-stroke is less expensive to maintain.
Engine - 85cc liquid-cooled, crankcase reed-valve-inducted, two-stroke engine inhales through a 28mm Keihin® flat-slide carburetor; seamless throttle response across the powerband is the result.
Engine - Digital CDI ignition system puts out a more precise spark and monitors engine speed to ensure optimal timing for quicker, stronger response during hard acceleration.
Engine - Smooth-shifting, six-speed close-ratio transmission with heavy-duty, multiplate clutch delivers maximum hookup for outstanding acceleration and corner-exiting power.
Engine - Involute spline set-up in clutch means smoother shifting under power with great durability at competition-level usage.
Engine - Two-piece clutch cover provides easy access during maintenance.
Engine - Lightweight radiator has large cores and louvers, and the water pump features a cast aluminum (vs. resin) impeller for maximum cooling efficiency.
Engine - Lightweight exhaust system design helps create a broader powerband with stronger low-end punch.
Engine - Airbox design ensures greater air cleaning performance and easier maintenance.
Chassis/Suspension - Rear subframe is removable to allow easy maintenance.
Chassis/Suspension - Lightweight 36mm KYB® inverted cartridge fork features 10.8 inches of travel with compression and rebound damping adjustability, and low-friction outer tubes and internals.
Chassis/Suspension - Rear suspension features fully adjustable Kayaba link-type shock with 11.1 inches of travel and race-tested compression damping valving.
Chassis/Suspension - 220mm front disc and 190mm rear disc brakes with stainless steel rotors deliver strong, precise stopping power.
Chassis/Suspension - Lightweight 17-inch front and 14-inch rear rims are durable and reduce unsprung weight for optimal suspension performance.
Chassis/Suspension - Dunlop® knobbies provide great traction on a variety of tracks and terrain.
Additional Features - Wide handlebar and flat fuel tank, radiator shrouds, side panels and rear fender provide rider with leverage and freedom of movement and weight transfer.
Additional Features - Wide footpegs provide superb comfort, grip and ground clearance.
Additional Features - Separate clutch cover with transmission oil filler opening makes for easy maintenance.
Additional Features - Fuel tank cap is wider-diameter for easier usage, and large tank opening ensures fast, hassle-free refueling.
Additional Features - Repackable exhaust silencer.
2012 Yamaha YZ85
Specifications
Engine
- Engine
- 85cc liquid-cooled 2-stroke; reed-valve inducted
- Bore x Stroke
- 47.5mm x 47.8mm
- Compression Ratio
- 8.2:1
- Fuel Delivery
- Keihin® PWK 28
- Fuel Capacity
- 1.3 gal
Transmission
- Ignition
- CDI
- Transmission
- Constant-mesh 6-speed; multiplate wet clutch
- Final Drive
- Chain Drive
Chassis
- Suspension Front
- Inverted fork; fully adjustable, 10.8-in travel
- Suspension Rear
- Single shock; fully adjustable, 11.1-in travel
- Brake Front
- Hydraulic single disc brake, 220mm
- Brake Rear
- Hydraulic single disc brake, 190mm
- Tires Front
- 70/100-17-40M
- Tires Rear
- 90/100-14 -49M
Dimensions
- Length
- 71.7 in
- Width
- 29.8 in
- Height
- 45.7 in
- Seat Height
- 34.0 in
- Wheelbase
- 49.5 in
- Ground Clearance
- 13.8 in
- Wet Weight
- 157 lb
General Information
- Warranty
- 30 Day (Limited Factory Warranty)




