2010 Yamaha YZ85

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2010 Yamaha YZ85
2010 Yamaha YZ85

2010 Yamaha YZ85
2010 Yamaha YZ85

2010 Yamaha YZ85
2010 Yamaha YZ85

2010 Yamaha YZ85
2010 Yamaha YZ85

– 2010 Yamaha YZ85

2010 Yamaha YZ85

The ideal choice for the next generation of champions.

The 2010 Yamaha YZ85 may be the smallest member of the Yamaha YZ family, but it is a big time competitor. It’s got the power to win with a liquid-cooled, 85cc engine, 6-speed gearbox, and adjustable suspension up front and out back. This is one mighty mini.

The mini racer of choice.

Born from the award winning YZ competition bikes. The 2010 YZ85 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.

With the same chassis and engine technology that goes into every 2-stroke YZ, the scaled-down YZ85 is a true competitor.

The YZ85, with its ultra-rigid high-tensile steel frame and 36mm inverted forks, weighs just 55kg (126lbs.) Powered by a compact yet muscular liquid-cooled 85cc engine pumping the power through a six-speed gearbox, this bike’s engineered to catch some major air — and trophies, too. Fully adjustable suspensions, front and rear disc brakes and almost 11″ of wheel travel highlight “for competition use only.” Truly, this is full-sized performance in a scaled-down package.



84.7cc, 2-stroke powerplant

Adjustable suspension


Features andBenefits (USA):

Key Features:

” Liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed is light, compact and designed to deliver hard-hitting, moto-winning power throughout the rpm range.

” Ultra-rigid, single-backbone, semi-double-cradle frame is lightweight and strong for sharp handling.

” Fully adjustable suspension allows a broad adjustment range to suit everybody from rank novice to mini expert.



” 84.7cc 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.

” 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.

” Smooth-shifting, six-speed close-ratio transmission with heavy-duty, multiplate clutch delivers maximum hookup for outstanding acceleration and corner-exiting power.

” Involute spline set-up in clutch means smoother shifting under power with great durability at competition-level usage.

” Two-piece clutch cover provides easy access during maintenance.

” Lightweight radiator has large cores and louvers, and the water pump features a cast aluminum (vs. resin) impeller for maximum cooling efficiency.

” Lightweight exhaust system design helps create a broader powerband with stronger low-end punch.

” Airbox design ensures greater air cleaning performance and easier maintenance.



” Rear subframe is removable to allow easy maintenance.

” 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.

” Rear suspension features fully adjustable Kayaba link-type shock with 11.1 inches of travel and race-tested compression damping valving.

” 220mm front disc and 190mm rear disc brakes with stainless steel rotors deliver strong, precise stopping power.

” Lightweight 17-inch front and 14-inch rear rims are durable and reduce unsprung weight for optimal suspension performance.

” 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.

” Wide footpegs provide superb comfort, grip and ground clearance.

” Separate clutch cover with transmission oil filler opening makes for easy maintenance.

” Fuel tank cap is wider-diameter for easier usage, and large tank opening ensures fast, hassle-free refueling.

” Repackable exhaust silencer.





Features and Benefits (Canada)


” Lightweight, compact, 84.7cc, liquid-cooled, crankcase reed-valve inducted,
2-stroke single.

” Crankcase reed valve induction and 28mm Keihin flat-slide carburetor ensures seamless throttle response across the powerband. The aluminium carb body helps reduce weight.

” Lightweight, forged piston means less reciprocal mass and less friction for a faster revving engine with great durability.

” Digital CD ignition system provides a hot, precise spark and monitors engine speed to ensure optimal timing for quicker, stronger response during hard acceleration. This is a maintenance-free system.

” Smooth-shifting, 6-speed transmission with involute splines on main and drive shafts are mated to a heavy-duty, multi-plate clutch delivering maximum hook-up for outstanding acceleration and corner-exiting power.

” Clutch cover features a quick remove sub-cover for fast, easy access during maintenance.

” Lightweight radiator with large size cores and computer-designed louvers provides maximum cooling efficiency.

” Washable, dual-stage, foam filter ensures great air filtering performance and easy, economical maintenance.

” Lightweight exhaust system is specially designed to create a broad powerband with strong low-end punch. The aluminium silencer is re-packable to maintain optimum performance and reduced noise levels.


” Rigid, semi-double cradle steel frame is ultra-lightweight and incredibly strong providing minimal flex for razor-sharp moto-wining handling

” Detachable rear subframe allows easy access for suspension maintenance

” Lightweight box-section aluminium swingarm provides excellent rigidity for awesome rear wheel control and traction.

” Lightweight, adjustable 36mm inverted Kayaba cartridge fork provides 275mm (10.8″) of wheel travel and adjusts for compression and rebound damping. Adjustments include: 20 clicks of both compression and rebound damping. Their construction offers YZ125/250 type valving and low-friction seals to ensure a smooth, compliant stroke for superior suspension performance and handling. Optional fork springs are available through Yamaha Genuine Parts and Accessories.

” Monocross link rear suspension features a fully adjustable Kayaba piggyback shock providing 282mm (11.1″) of wheel travel. The piggyback design helps to keep the shock cool during a long moto to provide fade resistant damping and consistent performance. Adjustments include spring preload, 20 clicks of compression and 20 clicks of rebound damping. Optional shock springs are available through Yamaha Genuine Parts and Accessories.

” 220mm front disc with twin piston caliper and stainless steel rotor deliver strong stopping power with excellent control and great feedback. “Shorty style” adjustable brake lever can be tailored to fit various hand sizes.

” 190mm stainless steel rear disc brake is squeezed by a single piston caliper. The caliper is protected by a rugged plastic protector.

” Lightweight 17″ front and 14″ rear DID rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance.


” Slim line body design and flat seat provide excellent freedom of movement for the rider. The seat features a “gripper” type seat.

” Sealed tapered steering head bearings for durability.

” Cleated rear brake pedal and folding shift lever tip provide superb grip and excellent durability.

” Wide, cast-alloy footpegs are serrated to provide superb comfort, grip and ground clearance.

” Wide-diameter fuel tank cap and large tank opening ensures fast, hassle-free refuelling.

” Stainless steel inner clutch cable ensures longer life and smooth operation

” Sealed pivot on kickstarter helps reduce wear.

” Rubber boots on clutch and brake levers help reduce dirt, mud, and water entry for improved durability.

” Convenient lifting holes in side cover.

” Rugged chain guide helps prevent chain from de-railing and also protects the rear sprocket.

” Heavy-duty rubber swingarm protector.

” Stylish crossbar pad.

” YZ85 large wheel kit (19″/17″) is available through Yamaha Genuine Parts & Accessories.



2010 Yamaha YZ85 – USA Specifications
MSRP* $3,690 (Team Yamaha Blue/White) Available from February 2010

Type 84.7cc liquid-cooled 2-stroke; reed-valve inducted

Bore x Stroke 47.5 x 47.8mm

Compression Ratio 8.2:1

Fuel Delivery Keihin® PWK 28

Ignition CDI

Transmission Constant-mesh 6-speed; multiplate wet clutch

Final Drive Chain Drive

Suspension/Front Inverted fork; fully adjustable, 10.8-in travel

Suspension/Rear Single shock; fully adjustable, 11.1-in travel

Brakes/Front Hydraulic single disc brake, 220mm

Brakes/Rear Hydraulic single disc brake, 190mm

Tires/Front 70/100-17-40M

Tires/Rear 90/100-14-49M

Length 71.7 in

Width 30.9 in

Height 45.7 in

Seat Height 34.0 in

Wheelbase 49.5 in

Ground Clearance 13.8 in

Fuel Capacity 1.3 gal

Wet Weight 156 lb

Warranty 30 Day (Limited Factory Warranty)


2010 Yamaha YZ85 – Canada Specifications
MSRP: $4,799 CDN

Engine 2-stroke, liquid-cooled,crankcase reed-valve,single
Displacement 85cc
Bore and Stroke 47.5 x 47.8mm
Compression Ratio 8.2:1
Fuel Delivery Keihin PWK28
Ignition / Starting CDI / Kick
Transmission 6-speed
Final Drive Chain

Suspension (Front) Adjustable 36mm inverted fork / 275mm (10.8″) travel
Suspension (Rear) Fully adjustable link Monocross / 282mm (11.1″) travel
Brakes (Front) 220mm disc
Brakes (Rear) 190mm disc
Tires (Front) 70/100-17
Tires (Rear) 90/100-14

Length 1,818mm (71.6″)
Width 758mm (29.8″)
Height 1,161mm (45.7″)
Wheelbase 1,255mm (49.4″)
Ground Clearance 351mm (13.8″)
Seat Height 864mm (34″)
Fuel Capacity 5 litres (1.1 imp. gallons)
Wet Weight 71kg (156.2 lb)

Colour(s) Yamaha Blue

* Fuel economy estimates are based on US EPA exhaust emission certification data obtained by Yamaha and converted into Canadian measurements. Your actual mileage will vary depending on road condition, how you ride, maintain your vehicle, accessories, cargo and operator/passenger weight.

Specifications, appearance, and price of product are subject to change without notice.

* MSRP does not include freight, PDI (Pre Delivery Inspection), pre-rigging (boats), or taxes. Dealer may sell for less.

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