Comparison of Kawasaki KFX 450R 2014 and Yamaha YFZ450R 2012 [S]ave
| Attribute |  Yamaha YFZ450R 2012 × |  Kawasaki KFX 450R 2014 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2014 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YFZ450R | Kawasaki KFX 450R |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection. Yamaha Fuel Injection (YFI) , 42mm | Carburettor. 32-bit digital, with 42mm Keihin throttle body |
| Engine details | Titanium valves | - |
| Displacement (cm³) | 449 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 96 |
| Stroke (mm) | 63.4 | 62.1 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | 2WD; Sealed O-Ring Chain, Eccentric Adjustment | Two-wheel drive, chain |
| Ignition | Digital TCI: Transistor Controlled Ignition | Digital AC-CDI |
| Compression | 11.6:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Independent double wishbone, w/Kashima coated piggy back shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.8-in travel | Dual A-arms, coil-over shocks / 8.5 in. |
| Rear suspension | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel | Swingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in. |
| Front brakes | Double disc. Ventilated hydraulic disc, twin piston | Double disc. Two-piston calipers. |
| Rear brakes | Single disc. Wave Style Ventilated Hydraulic Disc, Twin Piston | Single disc. Single-piston caliper. |
| Diameter (mm) | - | 200 |
| Frame type | Hybrid steel and aluminum frame with a Controlled- Fill aluminum subframe and cast aluminum swingarm | Aluminum double cradle, racing type |
| Front tyre | 21/7-10 | 21/7-10 |
| Rear tyre | 20/10-9 | 20/10-9 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Light | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light | Dual removable 30w headlights / LED tail light / brake light |
| Instruments | - | Speedometer, odometer, clock, fuel gauge and coolant temp light |
| Dimensions | ||
| Wheelbase (mm) | 1,270 | 1,255 |
| Kerb weight (kg) | 182.8 | 178 |
| Overall height (mm) | 1,064 | 1,064 |
| Overall length (mm) | 1,796 | 1,806 |
| Overall width (mm) | 1,240 | 1,171 |
| Seat height (mm) | 810 | 785 |
| Ground clearance (mm) | 114 | 109 |
| Performance | ||
| Fuel capacity (l) | 9.84 | 9.84 |
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