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2008 Yamaha YZ85
| TECHNICAL SPECIFICATION |
2008 YZ85 |
| ENGINE |
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| Type |
Liquid-cooled, 2-stroke, reed valve, |
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single cylinder |
| Displacement |
84.7 cc |
| Bore and stroke |
47.5 x 47.8 mm |
| Compression ratio |
8.2 : 1 |
| Max. power |
NA |
| Max. torque |
NA |
| Lubrication |
Premix |
| Carburettor |
Keihin PWK28/1 |
| Clutch type |
Wet, multiple-disc coil spring |
| Ignition |
CDI |
| Starter system |
Kick |
| Transmission |
Constant mesh, 6-speed |
| Final transmission |
Chain |
| Primary reduction ratio |
65/18 (3.611) |
| Secundary reduction ratio |
48/14 (3.428) |
| Gear ratio: |
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| Gear ratio 1 |
27/11 (2.454) |
| Gear ratio 2 |
32/17 (1.882) |
| Gear ratio 3 |
26/17 (1.529) |
| Gear ratio 4 |
22/17 (1.294) |
| Gear ratio 5 |
26/23 (1.130) |
| Gear ratio 6 |
25/25 (1.000) |
| CHASSIS |
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| Frame |
Semi-double cradle |
| Front suspension |
Telescopic forks |
| Front wheel travel |
275 mm |
| Rear suspension |
Swingarm (link suspension) |
| Rear wheel travel |
282 mm |
| Caster angle |
26° 18′ |
| Trail |
88 mm |
| Front brake |
Single disc, Ø 220 mm |
| Rear brake |
Single disc, Ø 190 mm |
| Front tyre |
70/100-17 40M |
| Rear tyre |
90-100-14 49M |
| DIMENSIONS |
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| Overall length |
1,818 mm |
| Overall width |
758 |
| Overall height |
1,161 mm |
| Seat height |
864 mm |
| Wheelbase |
1,255 mm |
| Min. ground clearance |
351 mm |
| Dry weight |
66 kg |
| Fuel tank capacity |
5 litres |
| Oil tank capacity |
0.5 litres |
| Specification are subject to change without notice, in accordance with national regulation and legislations |
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