KX250F
Engine
Fuel system Fuel injection: ø43 mm x 1
(Keihin) with dual injection
Ignition Digital DC-CDI
Starting Primary kick
Lubrication Forced lubrication, semi-dry
sump
Engine type Liquid-cooled, 4-stroke Single
Displacement 249 cm³
Bore x stroke 77.0 x 53.6 mm
Compression ratio 13.5:1
Valve/Induction system DOHC, 4 valves
Transmission
Clutch Wet multi-disc, manual
Primary reduction ratio 3.350 (67/20)
Gear ratios: 1st 2.142 (30/14)
Gear ratios: 2nd 1.750 (28/16)
Gear ratios: 3rd 1.444 (26/18)
Gear ratios: 4th 1.235 (21/17)
Gear ratios: 5th 1.045 (23/22)
Final reduction ratio 3.846 (50/13)
Transmission 5-speed, return
Final Drive Chain
Frame
Frame type Perimeter, aluminium
Rake/Trail 28.2° / 120.2 mm
Wheel travel, front 315 mm
Wheel travel, rear 310 mm
Tyre, front 80/100-21 51M
Tyre, rear 100/90-19 57M
Steering angle, left / right 42° / 42°
Suspension
Suspension, front Type: 47 mm upside-down
telescopic
Separate Function front Fork
(SFF)
Compress
Fuel system Fuel injection: ø43 mm x 1
(Keihin) with dual injection
Ignition Digital DC-CDI
Starting Primary kick
Lubrication Forced lubrication, semi-dry
sump
Engine type Liquid-cooled, 4-stroke Single
Displacement 249 cm³
Bore x stroke 77.0 x 53.6 mm
Compression ratio 13.5:1
Valve/Induction system DOHC, 4 valves
Transmission
Clutch Wet multi-disc, manual
Primary reduction ratio 3.350 (67/20)
Gear ratios: 1st 2.142 (30/14)
Gear ratios: 2nd 1.750 (28/16)
Gear ratios: 3rd 1.444 (26/18)
Gear ratios: 4th 1.235 (21/17)
Gear ratios: 5th 1.045 (23/22)
Final reduction ratio 3.846 (50/13)
Transmission 5-speed, return
Final Drive Chain
Frame
Frame type Perimeter, aluminium
Rake/Trail 28.2° / 120.2 mm
Wheel travel, front 315 mm
Wheel travel, rear 310 mm
Tyre, front 80/100-21 51M
Tyre, rear 100/90-19 57M
Steering angle, left / right 42° / 42°
Suspension
Suspension, front Type: 47 mm upside-down
telescopic
Separate Function front Fork
(SFF)
Compress
Main Products
Motorcycle, Dirt Bike, ATV, Jet Ski