Kawasaki KX250F Specs (2004)
The Kawasaki KX 250F is a liquid-cooled DOHC 249cc four-valve four-stroke motocross motorcycle made by Japanese motor company, Kawasaki. It was first released in 2004, and gain immediate success in Supercorss and Motocross racing capturing the Triple-Crown of Motocross (East/West SX championships). The new redesign KX250F is lighter, faster and has more power than ever before. The following technical specification applies for Kawasaki KX250F for 2004 models. Herein you will find detail information about the motorcross dimension, engine, frame, transmission system, etc.
Find also Kawasaki KX250F Service Manual.
DIMENSION
| Overall length | 2,170 mm (85.43 in.) |
| Overall width | 840 mm (33.1 in.) |
| Overall height | 1,270 mm (50 in.) |
| Wheelbase | 1,475 mm (8.07 in.) |
| Road clearance | 340 mm (13.4 in.) |
| Seat height | 960 mm (37.8 in.) |
| Dry weight | 92.5 kg (204 lb) |
| Curb mass front | 49.9 kg (110 lb) |
| Curb mass rear | 52.6 kg (116 lb) |
| Fuel tank capacity | 7.5 L (2.0 US gal) |
ENGINE
| Type | 4-stroke, single cylinder, DOHC 4 valve |
| Cooling system | Liquid-cooled |
| Bore and stroke | 77.0 × 53.6 mm (3.03 × 2.11 in.) |
| Displacement | 249 mL (15.2 cu in.) |
| Compression ratio | 12.6 : 1 |
| Maximum horsepower | 31.6 kW (43.0 PS) @11,000 rpm |
| Maximum torque | 28.7 N·m (2.93 kgf·m, 6.45 in·lb)@8,500 rpm |
| Carburetion system | Carburetor, KEIHIN FCR37 |
| Starting system | Primary kick |
| Ignition system | Digital AC-CDI |
| Timing advance | - |
| Ignition timing | BTDC 8° @ 2,000 rpm |
| Spark plug | NGK CR8EB or NGK CR9EB |
| Valve timing: | |
| Inlet open | BTDC 49° |
| Inlet close | ABDC 63° |
| Inlet duration | 292° |
| Exhaust open | BBDC 69° |
| Exhaust close | ATDC 49° |
| Exhaust duration | 298° |
| Lubrication system | Forced lubrication (semi-dry sump) |
| Engine oil type | API SH or SJ with JASO MA |
| Viscosity | SAE 10W-40 |
| Capacity | 1.5 L (1.6 USqt) |
DRIVE TRAIN
| Primary reduction system type | Gear |
| Primary reduction ratio | 3.350 (67/20) |
| Clutch type | Wet multi disc |
| Transmission type | 5-speed, constant mesh, return shift |
| Gear ratios: | |
| 1st | 2.142 (30/14) |
| 2nd | 1.785 (25/14) |
| 3rd | 1.444 (26/18) |
| 4th | 1.200 (24/20) |
| 5th | 1.052 (20/19) |
| Final drive system type | Chain drive |
| Final drive reduction ratio | 3.692 (48/13) |
| Overall drive ratio | 13.020 @ Top gear |
FRAME
| Frame type | Tubular, semi double cradle |
| Steering angle | 42° to either side |
| Caster (rake angle) | 26.5° |
| Trail | 110 mm (4.33 in.) |
| Front tire type | BRIDGESTONE M601 (EU, M201) Tube type |
| Front tire size | 80/100-21 51M |
| Rear tire type | BRIDGESTONE M602 (EU, M202) Tube type |
| Rear tire size | 100/90-19 57M |
| Front suspension type | Telescopic fork (up side down) |
| Front wheel travel | 300 mm (11.8 in.) |
| Rear suspension type | Swingarm (New Uni-trak) |
| Rear wheel travel | 310 mm (12.2 in.) |
| Front brake type | Single disc |
| Front effective disc diameter | 225 mm (8.86 in.) |
| Rear effective disc diameter | 215 mm (8.46 in.) |
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Tags: Motocross