High-flow airbox ensures excellent air filter performance and easy maintenance.

A 28mm Astemo® Keihin flat-slide carburetor provides seamless throttle response.

Redesigned intake manifold including new VForce4R reed valve results in enhanced ridability across the rev range.

Durable six-speed transmission features oversized gears to provide enhanced engagement and smoother shifts.

Carefully matched exhaust expansion chamber optimizes gas flow for enhanced low- and mid-range power delivery.

The 85cc two-stroke engine features Yamaha's Power Valve System (YPVS) for broad power across the rev range.

Fully adjustable 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals along with 10.8 inches of travel.

Fully adjustable KYB® link-type shock features race-tested valving and 11.1 inches of travel.

Dunlop® MX3S tires provide exceptional traction on a variety of tracks and terrain.

A removable rear subframe is constructed from lightweight, high-strength aluminum for reduced weight.

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

Built for demanding junior racers, the YZ85's chassis is optimized for strength, rigidity and overall handling stability.

Rear brake master cylinder also includes built-in sub-reservoir to provide more linear brake response and increased control.

The aluminum swingarm offers refined balance between longitudinal and torsional rigidity.

Big 220mm front and 190mm rear wave-style brake discs offer improved self-cleaning and cooler-running performance.

Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.

Flat seat and narrow design enable greater freedom of movement for increased control and confidence.

The four-position adjustable handlebar mounts allow the rider to tune the handlebar position to suit their size and preferences.