KX250 – 2020


The KX design philosophy – to put mid-level to expert riders on the top step of the podium – has not changed since the brand was launched over 40 years ago. The KX250F is perhaps the most successful racer in the extremely competitive 4-stroke 250cc class. It has a long history of winning, including dual championships in 2011, and the 250MX championship in 2012. Adding to its highly acclaimed engine and chassis performance, numerous industry firsts and advanced technology, fine-tuning for 2015, including new adjustable ergonomics, makes the new model the most potent KX250F yet.

Type Liquid-cooled, 4-stroke Single
Displacement 249 cm3
Bore and Stroke 77.0 x 53.6 mm
Compression ratio 13.8:1
Valve system DOHC, 4 valves
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
Transmission 5-speed, return
Final drive Chain
Primary reduction ratio 3.350 (67/20)
Gear ratios: 1st 2.142 (30/14)
2nd 1.750 (28/16)
3rd 1.444 (26/18)
4th 1.235 (21/17)
5th 1.045 (23/22)
Final reduction ratio 3.846 (50/13)
Clutch Wet multi-disc, manual
Type Perimeter, aluminium
Wheel travel: front 315 mm
rear 310 mm
Tyre: front 80/100-21 51M
rear 100/90-19 57M
Caster (rake) 28.7o
Trail 126.4 mm
Steering angle (left/right) 42o / 42o
Front: Type ø48 mm inverted telescopic
Separate Function front Fork (SFF) Type 2
Compression damping 22-way
Rebound damping 20-way
Spring preload 40-way
Rear: Type New Uni-Trak
Compression damping 19-way (low-speed), 4 turns (high-speed)
Rebound damping 22-way
Spring preload Fully adjustable
Front: Type Single semi-floating ø270 mm petal disc
Caliper Dual-piston
Rear: Type Single ø240 mm petal disc
Caliper Single-piston
Overall length 2,170 mm
Overall width 820 mm
Overall height 1,270 mm
Wheelbase 1,475 mm
Ground clearance 330 mm
Seat height 945 mm
Curb mass 106.2 kg (EUR/AUS/JPN/BRA/THA)
106.0 kg (USA/CAN)
Fuel capacity 6.1 litres
Buy For R115 995
Included Taxes & Checkup
Engine Liquid-cooled, 4-stroke Single
Fuel-capacity 6.1 litres
Displacement 249 cm3
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