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Chassis / Suspension

• The aluminum swingarm offers refined balance between longitudinal and torsional rigidity.
• Rear brake master cylinder also includes built-in sub-reservoir to provide more linear brake response and increased control.
• Big 220mm front and 190mm rear wave-style brake discs offer improved self-cleaning and cooler-running performance.
• Fully adjustable KYB® link-type shock features race-tested valving and 11.1 inches of travel.
• Fully adjustable 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals along with 10.8 inches of travel.
• A removable rear subframe is constructed from lightweight, high-strength aluminum for reduced weight.
• Built for demanding junior racers, the YZ85LW's chassis is optimized for strength, rigidity and overall handling stability.
• High performance 70/100/19 front and 90/100/16 rear Dunlop® MX3S tires provide exceptional traction on a variety of terrain.
• The YZ85 Large Wheel (LW) features a larger 19-inch front wheel and 16-inch rear wheel for a more "big-bike" feel.

Engine

• Carefully matched exhaust expansion chamber optimizes gas flow for enhanced low- and mid-range power delivery.
• The crankcase design features a spacer-style reed valve intake for improved air/fuel flow.
• High-flow airbox ensures excellent air filter performance and easy maintenance.
• A 28mm Hitachi Astemo® Keihin flat-slide carburetor provides seamless throttle response.
• Durable six-speed transmission features oversized gears to provide enhanced engagement and smoother shifts.
• The 85cc two-stroke engine features Yamaha's Power Valve System (YPVS) for broad power across the rev range.

Other Features

• The four-position adjustable handlebar mounts allow the rider to tune the handlebar position to suit their size and preferences.
• Flat seat and narrow design enable greater freedom of movement for increased control and confidence.
• Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.

YZ85LW Youth Key Features

• LARGER FRONT & REAR WHEEL: The YZ85 Large Wheel (LW) model raises the bar for off-road capability with a larger 19-inch front wheel and 16-inch rear wheel clad in high performance 70/100/19 front and 90/100/16 rear Dunlop® MX3S tires. Perfect for the advanced 85cc rider looking for a more big-bike feel.
• POTENT YPVS TWO-STROKE ENGINE: The 85cc liquid-cooled, two-stroke engine features the Yamaha Power Valve System (YPVS) for increased low- and mid-range power without losing peak power at high rpms, reducing the need for frequent shifting.
• OPTIMIZED CHASSIS DESIGN: Built for demanding junior racers, the YZ85 LW's chassis is optimized for strength, rigidity and overall handling stability. The aluminum swingarm offers refined balance between longitudinal and torsional rigidity, and the removable rear subframe constructed from lightweight, high-strength aluminum reduces weight.
• FULLY-ADJUSTABLE KYB® SUSPENSION: Lightweight 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals along with compression and rebound damping adjustability. It's paired with a race-proven fully-adjustable KYB® rear shock with a progressive linkage-type design for improved bottoming resistance. Both offer loads of suspension travel to tackle serious off-road competition.
• PERFORMANCE-MINDED ERGONOMICS: The flat seat and narrow fuel tank design, along with smoothly integrated body panels and slim shroud width, combine to enable greater freedom of movement for increased control and confidence. Additionally, a four-position adjustable handlebars allow riders to tune the bar position to suit their size and preferences.