| Attribute | Yamaha YFM350R × | Yamaha YFM250R 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2009 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YFM350R | Yamaha YFM250R |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni BSR 36 | Carburettor. Mikuni 29mm |
| Displacement (cm³) | 349 | 249 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 83 | 74 |
| Stroke (mm) | 64.5 | 58 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Ignition | DC-CDI | DC-CDI |
| Lubrication system | Wet sump | Wet sump |
| Compression | 9.2:1 | 9.5:1 |
| Chassis | ||
| Front brakes | Double disc | Double disc |
| Rear brakes | Single disc | Single disc |
| Front tyre | 21/7-10 | 20/7-10 |
| Rear tyre | 20/10-9 | 19/10-9 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,210 | 1,110 |
| Dry weight (kg) | 170 | 142 |
| Overall height (mm) | 1,080 | 1,040 |
| Overall length (mm) | 1,780 | 1,625 |
| Overall width (mm) | 1,095 | 1,070 |
| Seat height (mm) | 820 | 730 |
| Ground clearance (mm) | 114 | 114 |
| Performance | ||
| Fuel capacity (l) | 9 | 9 |