2017 Yamaha YZ85HL


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The YZ85 is ready to race right out of the crate with features like a super potent 85cc, crankcase reed-valve 2-stroke power plant, a rigid single backbone frame and adjustable suspension. Join the "bLU cRU" and get ready to fill your trophy case.

Power: Lightweight, compact, 85cc, liquid-cooled, crankcase reed-valve inducted, 2-stroke single.

Frame: Rigid, semi-double cradle, single backbone, steel frame is lightweight and incredibly strong providing minimal flex for razor-sharp moto-wining handling.

Key Features
  • Potent, easy to service, crankcase reed inducted, 2-stroke power plant
  • Smooth shifting, 6-speed close ratio transmission
  • Compact, semi-double cradle, single back bone, steel frame
  • Race-ready, fully adjustable suspension.
  • Front & rear disc brakes
  • Aggressive, modern styling
Engine Features
  • Lightweight, compact, 85cc, liquid-cooled, crankcase reed-valve inducted, 2-stroke single.
  • Crankcase reed valve induction & 28mm Keihin flat-slide carburetor: crisp, seamless throttle response across the powerband
  • Lightweight, forged piston: less reciprocating mass & less friction for a faster revving engine; excellent durability
  • CD ignition system: provides a hot, precise spark for fast sure starts; provides optimal timing for quicker, stronger response at all rpms; maintenance-free
  • Smooth-shifting, 6-speed transmission: involute design increases the surface area contact between the gears; special involute splines on main and drive shafts provide maximum engagement / hook-up for each gear for smoother, more positive shifts; gear ratios are well matched to engine output
  • Heavy-duty, multi-plate clutch: smooth positive shifting
  • Quick remove, clutch sub-cover: fast, easy clutch access
  • Lightweight radiator with high capacity cores & special louvers to direct the air through the rad: maximum cooling efficiency
  • Large capacity airbox with washable, dual-stage, foam filter: excellent filtering qualities; reduced tune-up expenses... foam filter can be washed & re-used
  • Lightweight exhaust system: specially designed expansion chamber for a broad powerband with strong low-end punch; aluminium silencer is re-packable to maintain optimum performance & reduced noise levels
Chassis/Suspension Features
  • Rigid, semi-double cradle, single backbone, steel frame: blend of light weight & good strength; minimal flex for razor-sharp, moto-wining handling
  • Detachable rear subframe: allows easy access for suspension maintenance; reduces costs in the event of a loop-out (subframe can be purchased separately)
  • Lightweight box-section aluminium swingarm: provides excellent for excellent rear wheel control &traction
  • Adjustable 36mm inverted Kayaba fork provides 275mm (10.8") of wheel travel: adjusts for compression & rebound damping. Adjustments include: 20 clicks of compression damping & 20 clicks of rebound damping; adjustable design allows rider (tuner) to tailor settings to match rider weight, rider style & track conditions; YZ125 / 250 based "big bike" valving & low-friction fork seals; smooth, compliant stroke for superior suspension performance & handling; optional fork springs are available through Yamaha Genuine Parts & Accessories
  • Fully adjustable Monocross link rear suspension provides 282mm (11.1") of wheel travel: Kayaba piggyback shock reduces shock temperatures during a long moto for fade resistant damping & consistent performance: adjustments include "threaded" spring preload, 15 clicks of compression & 20 clicks of rebound damping; optional shock springs are available through Yamaha Genuine Parts & Accessories
  • 220mm front stainless steel disc with twin piston caliper; delivers strong stopping power with excellent control and great feedback.
  • "Shorty style" adjustable front brake lever: adjusts to fit various hand sizes
  • Clutch lever holder allows for clutch lever reach adjustment: adjusts to fit various hand sizes.
  • 190mm stainless steel rear disc brake squeezed by a single piston caliper: Excellent stopping power; caliper is protected by a rugged plastic protector
  • Lightweight, 17" front & 14" rear DID rims; excellent durability; reduces unsprung weight for optimal suspension performance
  • Modern, aggressive, slim line bodywork: slim body design for excellent freedom of movement & rider mobility; seat features a pebble finish seat cover for grip
  • Sealed tapered steering head bearings for extra durability
  • Serrated rear brake pedal & folding shift lever tip
  • Wide, cast-alloy serrated footpegs offer good grip
  • Stainless steel inner clutch cable for longer life & smooth operation
  • Rubber boots on clutch & brake levers to reduce dirt, mud & water entry for durability
  • Convenient lifting holes in side cover
  • Rugged chain guide helps prevent chain from de-railing & also protects rear sprocket.
  • YZ85 large wheel kit (19"/17") is available through Yamaha Genuine Parts & Accessories.
  • E10 friendly fuel system components
  • Engine: 2-stroke, liquid-cooled,crankcase reed-valve,single
  • Displacement: 85cc
  • Bore and Stroke: 47.5 x 47.8mm
  • Compression Ratio: 8.1:1
  • Fuel Delivery: Keihin PWK28
  • Ignition / Starting: CDI / Kick
  • Transmission: 6-speed
  • Final Drive: Chain
  • Suspension (Front): Adjustable 36mm inverted fork / 275mm (10.8 in.) wheel travel
  • Suspension (Rear): Fully adjustable link Monocross / 282mm (11.1 in.) wheel travel
  • Brakes (Front): 220mm disc / twin piston
  • Brakes (Rear): 190mm disc / single piston
  • Tires (Front): 70/100-17
  • Tires (Rear): 90/100-14
Critical Data
  • Length: 1,820mm (71.7 in.)
  • Width: 760mm (29.9 in.)
  • Height: 1,125mm (44.3 in.)
  • Wheelbase: 1,255mm (49.4 in.)
  • Ground Clearance: 330mm (13 in.)
  • Seat Height: 840mm (33.1 in.)
  • Fuel Capacity: 5 L (1.1 imp. gal.)
  • Wet Weight: 71kg (157 lb.)
  • Colour(s): Yamaha Racing Blue
Specifications, appearance, and price of product are subject to change without notice. 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.



Engine Type
2-stroke,crankcase reed-valve,single
Bore and Stroke
47.5 x 47.8mm
Compression Ratio
Fuel System
Keihin PWK28


Front Suspension
Adjustable 36mm inverted fork / 275mm (10.8 in.) wheel travel
Front Brakes
220mm disc / twin piston
Front Tire
Rear Suspension
Fully adjustable link Monocross / 282mm (11.1 in.) wheel travel
Rear Brakes
190mm disc / single piston
Rear Tire


Dry Weight
Curb Weight: 71 kg (157 lb.)
Fuel Capacity
5 L (1.1 imp. gal.)
1,255mm (49.4 in.)
Ground Clearance
330mm (13 in.)
Seat Height
840mm (33.1 in.)


Final Drive


Yamaha Racing Blue