Comparison of Yamaha YZ 85 2005 and Yamaha Zuma 2011 [S]ave
| Attribute |  Yamaha YZ 85 2005 × |  Yamaha Zuma 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2011 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YZ 85 | Yamaha Zuma |
| Category | Cross / motocross | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. 14mm Teikei |
| Engine details | - | Reed-valve induction |
| Displacement (cm³) | 85 | 49 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Belt |
| Bore (mm) | 54 | 40 |
| Stroke (mm) | 0 | 39.2 |
| Gearbox | 5-speed | Automatic |
| Emission details | - | Upswept muffler incorporates exhaust catalyst technology to reduce air pollution and meet emission regulations. |
| Driveline | - | V-belt |
| Ignition | - | DC CDI |
| Clutch | - | Dry centrifugal automatic clutch |
| Lubrication system | - | Autolube Oil Injection System |
| Compression | - | 7.0:1 |
| Chassis | ||
| Front suspension | Kayaba | Telescopic fork |
| Rear suspension | Kayaba | Single shock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 190 | 155 |
| Front tyre | - | 120/90-10 |
| Rear tyre | - | 130/90-10 |
| Seat | - | Plush dual seat |
| Other | ||
| Starter | - | Electric |
| Color options |
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