Attribute | ![]() Yamaha YZ 85 2004 × | ![]() Suzuki RM85 2017 × |
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General | ||
Production from (year) | 2004 | 2017 |
Make | Yamaha | Suzuki |
Model | Yamaha YZ 85 | Suzuki RM85 |
Category | Cross / motocross | Cross / motocross |
Engine and transmission | ||
Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
Valves per cylinder | 5 | - |
Fuel system | - | Carburettor. Keihin PE28 |
Engine details | - | Reed-valve |
Displacement (cm³) | 84.7 | 84.7 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | - | Chain |
Bore (mm) | 47.5 | 48 |
Stroke (mm) | 47.8 | 46.8 |
Gearbox | - | 6-speed |
Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
Driveline | - | Chain, D.I.D. 428DS, 118 links |
Ignition | - | Digital CD |
Lubrication system | - | Fuel/Oil premixture of 30:1 |
Compression | 8.2:1 | 9.5:1 |
Chassis | ||
Front suspension | Telescopic fork | Showa inverted fork, pneumatic/coil spring, oil damped |
Rear suspension | Swinging arm (monocross) | Link type, coil spring, oil damped |
Front brakes | Single disc | Single disc |
Rear brakes | Single disc | Single disc |
Diameter (mm) | 146 | - |
Frame type | - | Tubular steel frame, thick wall aluminum swingarm |
Front tyre | 70/100-17 | 70/100-17 |
Rear tyre | 90/100-14 | 90/100-14 |
Front wheel travel (mm) | 275 | 275 |
Rear wheel travel (mm) | 282 | 277 |
Other | ||
Starter | - | Kick |
Color options |
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Dimensions | ||
Wheelbase (mm) | 1,255 | 1,240 |
Kerb weight (kg) | - | 73 |
Dry weight (kg) | 66 | - |
Overall height (mm) | 1,161 | 1,240 |
Overall length (mm) | 1,818 | 1,805 |
Overall width (mm) | 758 | 735 |
Seat height (mm) | 864 | 850 |
Ground clearance (mm) | 351 | 325 |
Performance | ||
Fuel capacity (l) | - | 5 |