Comparison of Kawasaki KFX50 2015 and Yamaha YFM90 2011 [S]ave
| Attribute |  Yamaha YFM90 2011 × |  Kawasaki KFX50 2015 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2015 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YFM90 | Kawasaki KFX50 |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor. Keihin PTE 16 |
| Displacement (cm³) | 88 | 49.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 47 | 39 |
| Stroke (mm) | 51 | 41.4 |
| Gearbox | Automatic | Automatic |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Driveline | 2WD | - |
| Ignition | DC-CDI | Solid state CDI |
| Lubrication system | Wet sump | - |
| Compression | 10.2:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Independent double wishbone, 78 mm stroke | Single A-arm with twin shock absorbers / 2.8 in. |
| Rear suspension | Swingarm, 83 mm stroke | Swingarm with single shock absorber / 2.9 in. |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake). Dual |
| Rear brakes | Single disc | Single disc. Hydraulic. |
| Frame type | - | Double cradle, steel |
| Front tyre | 18/7-8 | 16/8-7 |
| Rear tyre | 18/9-8 | 16/8-7 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Light | - | Dual removable 30w headlights / LED taillight / brake light |
| Instruments | - | Speedometer, odometer, clock, fuel gauge and coolant temp light |
| Dimensions | ||
| Wheelbase (mm) | 1,010 | 965 |
| Kerb weight (kg) | 120 | 108.9 |
| Overall height (mm) | 910 | 909 |
| Overall length (mm) | 1,490 | 1,400 |
| Overall width (mm) | 885 | 881 |
| Seat height (mm) | 654 | 635 |
| Ground clearance (mm) | 100 | - |
| Performance | ||
| Fuel capacity (l) | 4.8 | 5.68 |
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