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Servicing Your Honda
Servicing Your Honda 21
Keeping your CRF well maintained is absolutely
essential to your safety. It’s also a good way to
protect your investment, g
et maximum
performance, avoid breakdowns, and have more
fun.
To help keep your CRF in good shape, this section
includes a Maintenance Schedule for required
servicing and step-by-step instructions for specific
maintenance tasks. You’ll also find important
safety precautions, information on oils, and tips for
keeping your CRF looking good.
An ECM system is used on this motorcycle;
consequently, routine ignition timing adjustment is
unnecessary. If you want to check the ignition
timing, refer to an official Honda Service Manual
(page 186).
An optional tool kit may be available. Check with
your dealer’s parts department.
Before You Service Your Honda
The Importance of Maintenance ......................22
Maintenance Safety..........................................23
Important Safety Precautions.......................23
Maintenance Schedule .....................................24
General Competition Maintenance ..................27
Before & After Competition Maintenance ......31
Between Races (CRF450RX)/Motos
(CRF450R/RWE) & Practice Maintenance.31
After Competition Maintenance ..................32
Service Preparations
Maintenance Component Locations ................33
Seat...................................................................34
Fuel Tank (CRF450RX) ..................................35
Fuel Tank (CRF450R/RWE) ...........................37
Subframe ..........................................................39
Service Procedures
Fluids & Filters
Fuel System (CRF450RX)...............................42
Fuel System (CRF450R/RWE)........................52
Engine Oil ........................................................62
Coolant.............................................................65
Air Cleaner.......................................................67
Crankcase Breather ..........................................69
Engine
Throttle.............................................................70
Engine Idle Speed ............................................72
Clutch System ..................................................73
Spark Plug........................................................78
Valve Clearance ...............................................79
Piston/Piston Rings/Piston Pin.........................88
Chassis
Suspension....................................................... 97
Front Suspension Inspection ....................... 97
Rear Suspension Inspection....................... 113
Brakes ............................................................ 114
Wheels ........................................................... 118
Tires & Tubes ................................................ 119
Side Stand (CRF450RX) ............................... 121
Drive Chain ................................................... 122
Exhaust Pipe/Muffler..................................... 126
Additional Maintenance Procedures.............. 132
Electrical
Battery ........................................................... 134
Appearance Care ........................................... 136
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