Yamaha has been building championship winning 2-stroke motocross bikes for 50 years. Along the way we’ve won just about every title worth winning. The latest 2026 YZ85 comes with the same advanced race-bred technology that goes into the company’s adult motocross machines and is ready to power you into the victorYZone.
Key Specifications
Engine Type
Liquid-cooled, Single cylinder, Reed valve with YPVS, 2-stroke
Engine Capacity
85 cc / 5.2 cubic inches
Max Power
n/a
Max Torque
n/a
Top Speed
n/a
Fuel Tank Capacity
5 L / 1.3 US gallons
Weight (Wet/Kerb)
75 kg / 165 lbs
Seat Height
885 mm / 34.8 inches
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Yamaha YZ85
Year
2026
Engine
Engine Type
Liquid-cooled, Single cylinder, Reed valve with YPVS, 2-stroke
Displacement
85 cc / 5.2 cubic inches
Bore x Stroke
47.5 x 47.8 mm
Compression Ratio
8.2~9.6:1
Number of Cylinders
1
Max Horsepower
n/a
Max Torque
n/a
Engine Management System
Hitachi Astemo® Keihin PWK28 carburetor
Lubrication System
Premix
Cooling System
Liquid-cooled
Ignition System
CDI, Kick
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet multiplate clutch, hydraulic
Gearbox
6-speed
Final Drive
Chain
Electrical & Electronics System
Headlight Type
n/a
Chassis & Suspension
Frame Type
Semi double cradle
Front Suspension
KYB® inverted fork; fully adjustable
Front Suspension Travel
274.3 mm / 10.8 inches
Rear Suspension
KYB® single shock; fully adjustable
Rear Suspension Travel
282 mm / 11.1 inches
Rake
26 ° (Europe) 26.3 ° (US)
Trail
99 mm / 3.9 inches (Europe) 89 mm / 3.5 inches (US)
Rear Subframe
Removable Aluminum subframe
Wheels & Brakes
Wheels
Wire aluminum wheels
Front Tire Size
70/100-17 Dunlop® Geomax MX3SF
Rear Tire Size
90/100-14 Dunlop® Geomax MX3S
Front Brakes
Hydraulic disc, 220mm
Rear Brakes
Hydraulic disc, 190mm
Dimension & Weights
Overall Length
1895 mm / 74.6 inches
Overall Width
760 mm / 29.9 inches
Overall Height
1175 mm / 46.3 inches
Seat Height
885 mm / 34.8 inches
Wheelbase
1285.2 mm / 50.6 inches
Ground Clearance
360 mm / 14.2 inches
Fuel Tank Capacity
5 L / 1.3 US gallons
Wet (kerb/curb) Weight
75 kg / 165 lbs
Features
Dunlop® MX3S tires provide exceptional traction on a variety of tracks and terrain.
Lightweight 17-inch front and 14-inch rear rims are durable and reduce unsprung weight for optimal suspension performance.
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.
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.
Fully adjustable 36mm KYB® inverted cartridge fork features low-friction outer tubes and internals along with 10.8 inches of travel.
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.
A removable rear subframe is constructed from lightweight, high-strength aluminum for reduced weight.
The aluminum swingarm offers refined balance between longitudinal and torsional rigidity.
Built for demanding junior racers, the YZ85’s chassis is optimized for strength, rigidity and overall handling stability.
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.
Yamaha YZ85 (2026) Color Options
Team Yamaha Blue (US)
Icon Blue (Europe)
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
