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Honda CRF450RL 2021 User Manual

Honda CRF450RL 2021
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OFF-ROADHANDBOOK
2021
CRF450RL
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Honda CRF450RL 2021 Specifications

General IconGeneral
Engine Type449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke96.0mm x 62.1mm
Compression Ratio12.0:1
Fuel SystemProgrammed Fuel Injection (PGM-FI), 46mm throttle body
IgnitionFull transistorized ignition
StarterElectric
Transmission6-speed
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire120/80-18
Seat Height37.2 inches
Fuel Capacity2.0 gallons
Displacement449cc
Final DriveChain
Front Suspension49mm inverted telescopic fork; 12.0 inches of travel
Rear SuspensionPro-Link system
Front BrakeSingle 260mm disc
Curb Weight289 lbs.
Ground Clearance12.4 inches

Summary

Maintenance

Maintenance Schedules

Scheduled maintenance for off-road and on-road use based on hours or mileage.

Engine Oil and Filter Maintenance

Procedures for checking and changing engine oil and filter.

Spark Plug and Valve Clearance

Spark plug inspection/replacement and valve clearance adjustment.

Brake System Maintenance

Inspection and maintenance of brake fluid, pads, and system.

Suspension Maintenance

Inspection and procedures for front and rear suspension.

Fork Oil Service

Procedures for draining and filling fork oil.

Setting Information

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