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Need help?Do you have a question about the Honda 2004 CRF250X and is the answer not in the manual?
General| Engine Type | 249cc liquid-cooled single-cylinder four-stroke |
|---|---|
| Bore x Stroke | 78.0mm x 52.2mm |
| Compression Ratio | 12.5:1 |
| Induction | Keihin 37mm flat-slide carburetor |
| Transmission | 5-speed |
| Final Drive | O-ring-sealed chain |
| Front Suspension | 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel |
| Rear Suspension | Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.4 inches travel |
| Front Brake | Single 240mm disc with twin-piston caliper |
| Rear Brake | Single 240mm disc |
| Front Tire | 80/100-21 |
| Rear Tire | 100/100-18 |
| Rake (Caster Angle) | 27.5° |
| Trail | 113mm (4.4 inches) |
| Wheelbase | 58.3 inches |
| Seat Height | 37.7 inches |
| Ground Clearance | 13.4 inches |
| Ignition | CD with electronic advance |
Guidelines for performing service and maintenance on the vehicle.
Technical specifications for dimensions, frame, engine, and carburetor.
Specified torque values for various fasteners and components.
Specifications for engine oil, transmission oil, and oil pump.
General information regarding body panels, fuel tank, and exhaust system service.
Specified torque values for frame, body panels, and exhaust system components.
Diagnosing issues related to exhaust noise and performance.
Procedure for removal and installation of the fuel tank.
Procedure for removal and installation of the muffler and exhaust pipe.
General service information and safety precautions for maintenance tasks.
Scheduled maintenance intervals and tasks for models 2004-2006.
List of engine and frame parts that may need frequent replacement.
Procedure for engine oil level inspection and oil/filter change.
Inspection, adjustment, cleaning, and lubrication of the drive chain.
General service information and safety precautions for the lubrication system.
Diagnosing common issues with oil level, consumption, and contamination.
Specifications for oil capacity, recommended oil, and oil pump rotor.
Procedure for disassembly, inspection, and assembly of the oil pump.
General service information and safety precautions for the fuel system.
Diagnosing issues related to engine starting, acceleration, and idling.
Adjusting idle mixture, idle speed, and pilot screw settings.
Procedure for adjusting the pilot screw for optimal idle performance.
Modifications to the carburetor for high altitude operation in California.
General service information and safety precautions for the cooling system.
Diagnosing issues related to engine temperature and coolant leaks.
Procedure for preparing, draining, and refilling the cooling system.
Procedure for inspecting, removing, and installing the water pump.
General information regarding engine removal and installation procedures.
Step-by-step procedure for removing the engine from the motorcycle frame.
Step-by-step procedure for installing the engine into the motorcycle frame.
General service information for camshaft, cylinder head, and valves.
Diagnosing engine top-end problems like low compression and excessive noise.
Procedure for testing cylinder compression and identifying causes.
Inspection of cylinder head for warpage, cracks, and valve areas.
Procedure for replacing valve guides, including heating and reaming.
General service information for cylinder and piston maintenance.
Diagnosing engine top-end problems related to cylinder and piston.
Procedure for removing the cylinder from the engine.
Inspection of cylinder bore, taper, out-of-round, and warpage.
Inspection of piston head, ring grooves, and wear.
General service information for clutch, kickstarter, and gearshift linkage.
Diagnosing issues with shifting, clutch slipping, and creeping.
Procedure for clutch removal, inspection, and assembly.
Procedure for kickstarter removal, disassembly, inspection, and assembly.
Procedure for gearshift linkage removal, inspection, and installation.
General service information for alternator stator and flywheel removal/installation.
Procedure for removing the left crankcase cover to access the alternator.
Procedure for stator removal and installation.
Procedure for flywheel removal and installation.
General service information for crankcase separation, crankshaft, transmission, and balancer.
Diagnosing issues related to excessive noise, transmission jumping out of gear, and hard shifting.
Procedure for separating the crankcase halves for service.
Procedure for disassembling the transmission components.
Procedure for installing the crankshaft into the crankcase.
General service information and safety precautions for front wheel, fork, and steering.
Diagnosing issues with steering, wheel wobbling, and suspension stiffness.
Procedure for front wheel removal, inspection, and disassembly.
Procedure for fork removal, disassembly, and assembly.
Procedure for handlebar removal and installation.
General service information and safety precautions for rear wheel and suspension.
Diagnosing issues with suspension softness, stiffness, and rear wheel wobbling.
Procedure for rear wheel removal, inspection, and disassembly.
Procedure for shock absorber removal, disassembly, and bladder replacement.
Procedure for swingarm removal and disassembly.
General service information and safety precautions for the hydraulic brake system.
Diagnosing issues with brake lever/pedal feel and brake drag.
Procedure for replacing brake fluid and bleeding the hydraulic system.
Procedure for front master cylinder removal, disassembly, assembly, and installation.
Procedure for rear master cylinder removal, disassembly, and assembly.
General service information and safety precautions for the battery and charging system.
Diagnosing battery and charging system issues.
Procedure for battery removal, installation, and voltage inspection.
Inspection of current leakage, charging voltage, and regulator/rectifier.
General service information and precautions for the ignition system.
Diagnosing ignition system issues like no spark and poor performance.
Inspection of spark plug, ignition coil, and peak voltage.
Inspection of the direct ignition coil resistance.
General service information and notice regarding the starter motor.
Diagnosing issues with the starter motor not turning or turning slowly.
Procedure for starter motor removal, disassembly, inspection, and assembly.
Procedure for starter relay switch inspection and testing.
General service information and notice regarding headlight bulb replacement.
Procedure for headlight bulb replacement.
Procedure for tail light unit removal and installation.
Procedure for engine stop button removal, installation, and continuity test.
Procedure for clutch switch inspection and continuity test.
Wiring diagram for 2004-2005 models.
Wiring diagram for models after 2005.
Troubleshooting steps for engine starting issues.
Troubleshooting steps for engine power loss.
Troubleshooting steps for poor performance at low speeds and idle.
Troubleshooting steps for poor performance at high speeds.
Troubleshooting steps for steering, wheel wobble, and handling issues.
