SMALL BIKE. BIG BRAAAP.
Delivering a small-bike package with big Yamaha performance, the YZ85 is built for fun and built to win.
Chassis / Suspension
- ADJUSTABLE KYB® 36MM FORK: Fully adjustable 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals along with 10.8 inches of travel.
- ADJUSTABLE KYB® LINK SHOCK: Fully adjustable KYB® link-type shock features race-tested valving and 11.1 inches of travel.
- DUNLOP® MX3S RACE TIRES: Dunlop® MX3S tires provide exceptional traction on a variety of tracks and terrain.
- LIGHTWEIGHT ALUMINUM REAR SUBFRAME: A removable rear subframe is constructed from lightweight, high-strength aluminum for reduced weight.
- LIGHTWEIGHT WHEELS: Lightweight 17-inch front and 14-inch rear rims are durable and reduce unsprung weight for optimal suspension performance.
- OPTIMIZED JUNIOR RACE CHASSIS: Built for demanding junior racers, the YZ85’s chassis is optimized for strength, rigidity and overall handling stability.
- REAR BRAKE MASTER CYLINDER: Rear brake master cylinder also includes built-in sub-reservoir to provide more linear brake response and increased control.
- RIGID ALUMINUM SWINGARM: The aluminum swingarm offers refined balance between longitudinal and torsional rigidity.
- WAVE-STYLE BRAKE DISCS: Big 220mm front and 190mm rear wave-style brake discs offer improved self-cleaning and cooler-running performance.
Engine
- HIGH-FLOW AIRBOX DESIGN: High-flow airbox ensures excellent air filter performance and easy maintenance.
- KEIHIN CARBURETOR: A 28mm Astemo® Keihin flat-slide carburetor provides seamless throttle response.
- VFORCE4R REED VALVE SYSTEM: Redesigned intake manifold including VForce4R reed valve results in enhanced ridability across the rev range.
- OVERSIZED SIX-SPEED TRANSMISSION: Durable six-speed transmission features oversized gears to provide enhanced engagement and smoother shifts.
- TUNED EXHAUST EXPANSION CHAMBER: Carefully matched exhaust expansion chamber optimizes gas flow for enhanced low- and mid-range power delivery.
- YPVS-EQUIPPED 85CC ENGINE: The 85cc two-stroke engine features Yamaha’s Power Valve System (YPVS) for broad power across the rev range.
Key Features
- POTENT YPVS TWO-STROKE ENGINE: The potent 85cc liquid-cooled, two-stroke engine’s intake system now features the VForce4R reed valve, while the exhaust system’s YPVS settings were also revised, resulting in a wider powerband and enhanced ridability across the entire rev range.
- OPTIMIZED CHASSIS DESIGN: The YZ85’s chassis is built for the best up-and-comers with strength, rigidity and overall handling stability. The aluminum swingarm balances longitudinal and torsional rigidity, and the removable rear subframe constructed from lightweight, high-strength aluminum reduces weight.
- FULLY-ADJUSTABLE KYB® SUSPENSION: The lightweight 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals, plus adjustable compression and rebound damping. Paired with a race-proven fully-adjustable KYB® rear shock with a progressive linkage-type design for excellent bottoming resistance, the combined package offers loads of suspension travel for serious competition on the track.
- LARGE-DIAMETER WAVE-STYLE DISC BRAKES: Big wave-style 220mm front disc and 190mm rear disc deliver strong, precise stopping power, while also offering excellent self-cleaning and cool-running performance. The rear brake master cylinder also includes a built-in sub-reservoir to provide linear brake response and control.
- PERFORMANCE-MINDED ERGONOMICS: Riders get greater freedom of movement with increased control and confidence thanks to the flat seat and narrow fuel tank design, smoothly integrated body panels, and slim shroud width. The four-position adjustable handlebars allow riders to tune the bar position to their specific size and preference.
Other Features
- EMBEDDED DURABLE GRAPHICS: Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
- FLAT SEAT, NARROW DESIGN: Flat seat and narrow design enable greater freedom of movement for increased control and confidence.
- FOUR-POSITION HANDLEBAR MOUNTS: The four-position adjustable handlebar mounts allow the rider to tune the handlebar position to suit their size and preferences.









































