2009 Kawasaki KX450F Specs – Engine Features Picture and Video
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The 2009 Kawasaki KX450F is a motocross style motorcycle driven by a 449cc, liquid-cooled, four-stroke single with DOHC and four valve cylinder head engine, 96.0 x 62.1mm bore and stroke, 12.5:1 compression ratio, combined with 43mm Keihin Throttle body fuel injection system and five-speed transmission system generating 41.5 kW maximum power at 8,500rpm and 50.8 N.m maximum torque at 7,000 rpm. The 2009 Kawasaki KX450F features: All-New Fuel Injection, Ultra-fine atomizing injector with 12 holes sprays particles with a droplet size of 60µ for smooth power deliver and 43mm throttle body uses a progressive throttle linkage to deliver airflow; New Lightweight Aluminum Fuel Pump; 45° injector angle; Greater electrical output from the bigger ACG rotor provides the necessary electrical power; and many more advanced technologies.
Below tables outline detail technical specification and features technology of 2009 Kawasaki KX450F engine, transmission, frame, suspension, brake, wheel, tire, and physical dimension.
2009 Kawasaki KX450F Engine Transmission Specs
| Engine type | Liquid-cooled, 4-stroke Single |
| Capacity | 449 cc |
| Bore x stroke | 96.0 x 62.1 mm |
| Compression ratio | 12.5:1 |
| Maximum torque | 50.8 N.m at 7,000 rpm |
| Fuel system | Fuel Injection: ø 43 mm x 1 (Keihin) |
| Cooling system | Liquid |
| Ignition | DC-CDI |
| Transmission | Five-speed |
| Final drive | Chain |
| Primary Reduction Ratio | 2.727 (60/22) |
| Gear ratio (1) | 1.750 (28/16) |
| Gear ratio (2) | 1.412 (24/17) |
| Gear ratio (3) | 1.188 (19/16) |
| Gear ratio (4) | 1.000 (19/19) |
| Gear ratio (5) | 0.875 (21/24) |
| Final Reduction Ratio | 3.846 (50/13) |
| Clutch | Wet multi-disc, manual |
2009 Kawasaki KX450F Frame Suspension and Brake Specs
| Frame type | Perimeter, Aluminium |
| Front suspension | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment |
| Front wheel travel | 12.4 in. |
| Rear suspension | UNI-TRAK® linkage system and Kayaba shock with 22-position low-speed and stepless high-speed compression dampening, 22-position rebound dampening and fully adjustable spring preload |
| Rear wheel travel | 12.4 in. |
| Front brake | Single semi-floating 250mm petal disc with dual piston caliper |
| Rear brake | Single 240mm petal disc with single-piston caliper |
2009 Kawasaki KX450F Tire and Physical Dimension Specs
| Front tire size | 90/100-21 |
| Rear tire size | 120/80-19 |
| Wheelbase | 58.3 in. |
| Rake | 26.7 degrees |
| Trail | 4.6 in. |
| Overall length | 86.0 in. |
| Overall width | 32.3 in. |
| Overall height | 50.4 in. |
| Seat height | 38.0 in. |
| Curb weight | 247.2 lbs. |
| Fuel capacity | 1.8 gal. |
2009 Kawasaki KX450F features video on from Youtube.com
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Tags: Brake, Chassis, Engine, Frame, Motocross, Suspension, Tire, Transmission, Wheel
