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General| Engine Type | Liquid-cooled single-cylinder four-stroke |
|---|---|
| Displacement | 449 cc |
| Bore x Stroke | 96.0 mm x 62.1 mm |
| Compression Ratio | 12.0:1 |
| Transmission | 5-speed |
| Front Brake | Single 240 mm disc with twin-piston caliper |
| Rear Brake | Single 240 mm disc |
| Front Tire | 80/100-21 |
| Rear Tire | 110/90-19 |
| Trail | 114 mm (4.5 inches) |
| Seat Height | 37.6 inches |
| Ignition | electronic advance |
| Final Drive | #520 chain |
| Front Suspension | 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel |
| Rear Suspension | Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability |
| Wheelbase | 58.7 inches |
| Fuel Capacity | 1.9 gallons |
| Curb Weight | 234 pounds |
Lists common abbreviations used in the manual for parts and systems.
Explains signal words (DANGER, WARNING, CAUTION) and safety alert symbols.
Emphasizes rider responsibility and good judgment in safe operation.
Key safety guidance and precautions for riding and operation.
Guidance on fitting non-Honda parts and potential impacts.
Information about safety labels on the CRF and their importance.
Identifies key controls on handlebars and frame for easy reference.
Explains the Malfunction Indicator Lamp (MIL) and its codes.
Index and inspection of Diagnostic Trouble Codes for system diagnostics.
Evaluates rider and motorcycle readiness before starting to ride.
Detailed checklist of items to inspect on the motorcycle before each ride.
Lists essential items to check before every ride for safety and function.
Advises on safe practices, avoiding enclosed areas and potential hazards.
Provides procedures for starting and stopping the engine correctly.
Guidelines for the initial break-in period to ensure engine longevity.
Pre-service checks, importance of maintenance, and safety protocols.
Component locations and preparations before performing maintenance.
Step-by-step maintenance tasks for various motorcycle systems.
Fuel type recommendations, refueling procedure, and safety warnings.
Procedures for inspecting and replacing the fuel line and fittings.
Specifies oil type, checking level, and adding oil.
Procedure for changing engine oil and replacing the oil filter.
Transmission oil recommendations and checking the level.
Procedure for draining and replacing transmission oil.
Coolant recommendations and checking/adding coolant.
Checking for leaks, hose condition, and replacing coolant.
Importance of air cleaner maintenance and cleaning procedures.
Procedure for draining deposits from the crankcase breather tube.
Checking and adjusting throttle lever freeplay for optimal operation.
Specific adjustment for major freeplay changes or cable replacement.
Checking throttle assembly and cables for proper operation.
Adjusting lever position and freeplay for optimal operation.
Checking smooth lever operation and lubricating control cables.
Steps to remove clutch discs and plates from the engine.
Steps to install clutch discs and plates into the engine.
Specifies recommended spark plug types and heat range.
Procedure for inspecting, replacing, and gapping spark plugs.
Procedure for reading spark plug condition for engine tuning.
Steps to remove the cylinder head cover for access.
Procedure to position the piston at Top Dead Center on the compression stroke.
Procedure for measuring intake and exhaust valve clearances.
Steps to remove and install the camshaft for valve adjustment.
Steps to remove the cylinder head from the engine.
Removal, inspection, and installation of pistons and rings.
Procedure for installing the cylinder onto the crankcase.
Covers front and rear suspension inspection and maintenance.
Details brake fluid level, pad wear, and lever/pedal adjustments.
Inspection and maintenance of wheel rims, spokes, tires, and tubes.
Inspection, cleaning, lubrication, and adjustment of the drive chain.
Checking mounting bolts and system for cracks or deformation.
Steps to remove and install the muffler and exhaust pipe.
Checking damper operation, condition, and components.
Steps to install the steering damper assembly.
Checking steering head bearings for roughness or play.
Inspecting handlebar and lubricating control cables.
Torque specifications for various engine and frame fasteners.
Guide to washing the motorcycle with a mild detergent.
Post-wash lubrication, frame, and exhaust pipe care tips.
Adjusting front suspension for rider and conditions.
Adjusting rear spring pre-load, damping, and race sag.
Guidelines for adjusting suspension based on track conditions and symptoms.
Procedure for reading spark plug condition for engine tuning.
Adjusting steering damper for quickness of compression/extension.
Chart for adjusting steering damper based on symptoms.
Adjusting rear suspension for traction and stability.
Adjusting fork position and wheelbase for handling.
Adjusting gear ratios for track conditions and performance.
Choosing tires based on track conditions and terrain.
Positioning control levers for comfortable operation.
Adjusting handlebar position, width, and shape for rider comfort.
Guidelines for safely transporting the motorcycle.
Procedures for preparing and storing the motorcycle.
Environmental responsibility tips for motorcycle owners.
Flowcharts for diagnosing and solving common problems.
Information on VIN and engine serial numbers.
Technical data, dimensions, capacities, and fastener torque values.
Competition logbook, optional parts, spare parts, and oxygenated fuels.
Electrical system diagram of the motorcycle.
Information on ordering service manuals and owner's manuals.
How to contact Honda, dealer services, and provide feedback.
Information on joining the HRCA membership and benefits.
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