KX250F – 2018
- General Details
LIGHTER, FASTER 250cc MOTOCROSSER
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 has a history of winning: in the extremely competitive 4-stroke 250cc class it is the racer with the most AMA Supercross and Motocross titles. Adding to its highly acclaimed engine and chassis performance, numerous industry firsts and advanced technology, the 2017 model offers a more powerful engine, a significantly lighter chassis, and slimmer ergonomics, making the new model the fastest KX250F yet. In fact, the new model gets around the track 1.6 seconds quicker* than its predecessor.*Price subject to change without notice, colours subject to availability.
ENGINE Type Liquid-cooled, 4-stroke Single Displacement 249 cm3 Bore and Stroke 77.0 x 53.6 mm Compression ratio 13.4:1 Valve system DOHC, 4 valves Fuel system Fuel injection: ø43 mm x 1 with dual injectors Ignition Digital DC-CDI Starting Primary kick Lubrication Forced lubrication, semi-dry sump DRIVETRAIN 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 FRAME Type Perimeter, aluminium Wheel travel: front 310 mm rear 310 mm Tyre: front 80/100-21 51M rear 100/90-19 57M Caster (rake) 28.4o [28o 30’ in JPN] Trail 123 mm Steering angle (left/right) 42o / 42o SUSPENSION Front ø48 mm inverted Separate Function front Fork (SFF) Type 2 with adjustable compression and rebound damping and spring preload Rear Uni-Trak, gas-charged shock with adjustable dual-range (high/low-speed) compression damping, rebound damping and spring preload BRAKES Front: Type Single semi-floating ø270 mm petal disc Caliper Dual-piston Rear: Type Single ø240 mm petal disc Caliper Single-piston DIMENSIONS Overall length 2,172 mm Overall width 825 mm Overall height 1,270 mm Wheelbase 1,478 mm Ground clearance 324 mm Seat height 945 mm Curb mass 104.7 kg (EUR/AUS/THA) 104.5 kg (USA/CAN) 104.8 kg (JPN) 104.1 kg (BRA) Fuel capacity 6.4 litres
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