Segment: Enduro/Offroad
Production years: 2009, 2010
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After 2008 brought the first Kawasaki KX450F with electronic fuel injection, it was time to take things even further, so the 2008 model comes with a tweakable ECU, allowing expert riders to finely-tune their engines in order to get the best performance. The bike's computer is already self-adjusting according to the riding style, but the optional KX FI Calibration Kit is the ultimate tool.
New Kayaba forks sporting the Diamond-Like Coating are present on the 2009 Kawasaki KX450F, complemented by a new-ratio Uni-Trak rear shock, while the revised piston and radiator provide a new level of performance and dependability.
Ergonomics have also been updated, keeping the bodywork slim and comfortable for aggressive riding styles, while still making the bike look great.
KAWASAKI KX450F 2009-2010
KAWASAKI KX450F 449
| engine specs | Type: | Liquid-cooled, 4-stroke Single | Displacement: | 449 cm3 | Bore X Stroke: | 3.8x2.4 in OR 97 mm | Compression Ratio: | 12.0:1 | Horsepower: | 56/8500 KW(hp)/RPM | Torque: | 37/7000 lb-ft/RPM OR 50/7000 Nm/RPM | Fuel System: | Fuel injection: 43 mm x 1 (Keihin) |
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| transmission specs | Gearbox: | 5-speed, return | Clutch: | Wet multi-disc, manual | Primary Drive: | - | Final Drive: | Chain |
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| chassis specs | Frame: | Perimeter, aluminium | Front Suspension: | 48 mm upside-down AOS-type telescopic fork Compression damping: 22-way Rebound damping: 20-way | Rear Suspension: | New Uni-Trak Compression damping: 22-way (low-speed), 2-turns or more (high-speed) Rebound damping: 22-way Spring preload: Fully adjustable | Front Brake: | Single semi-floating 250 mm petal disc Caliper: Dual-piston | Rear Brake: | Single 240 mm petal disc Caliper: Single-piston |
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| dimension specs | Overall Length: | 86 in OR 2184 mm | Overall Width: | 32.3 in OR 820 mm | Seat Height: | 38 in OR 965 mm | Wheelbase: | 58.3 in OR 1481 mm | Ground Clearance: | 13.4 in OR 340 mm | Weight: | 250 lbs OR 113 kg | Fuel Capacity: | 1.9 gallons OR 7.2 L |
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| tyres specs | Front: | 90/100-21 57M | Rear: | 120/80-19 63M |
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