Do you have a question about the Honda CRF450RL 2021 and is the answer not in the manual?
Scheduled maintenance for off-road and on-road use based on hours or mileage.
Procedures for checking and changing engine oil and filter.
Spark plug inspection/replacement and valve clearance adjustment.
Inspection and maintenance of brake fluid, pads, and system.
Inspection and procedures for front and rear suspension.
Procedures for draining and filling fork oil.
Scheduled maintenance for off-road and on-road use based on hours or mileage.
Procedures for checking and changing engine oil and filter.
Spark plug inspection/replacement and valve clearance adjustment.
Inspection and maintenance of brake fluid, pads, and system.
Inspection and procedures for front and rear suspension.
Procedures for draining and filling fork oil.
| Engine Type | 449cc liquid-cooled single-cylinder four-stroke |
|---|---|
| Bore x Stroke | 96.0mm x 62.1mm |
| Compression Ratio | 12.0:1 |
| Fuel System | Programmed Fuel Injection (PGM-FI), 46mm throttle body |
| Ignition | Full transistorized ignition |
| Starter | Electric |
| Transmission | 6-speed |
| Rear Brake | Single 240mm disc |
| Front Tire | 80/100-21 |
| Rear Tire | 120/80-18 |
| Seat Height | 37.2 inches |
| Fuel Capacity | 2.0 gallons |
| Displacement | 449cc |
| Final Drive | Chain |
| Front Suspension | 49mm inverted telescopic fork; 12.0 inches of travel |
| Rear Suspension | Pro-Link system |
| Front Brake | Single 260mm disc |
| Curb Weight | 289 lbs. |
| Ground Clearance | 12.4 inches |











