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, get 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 166).
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 ..................26
Before & After Competition Maintenance ......30
Between Motos & Practice Maintenance.....30
After Competition Maintenance ..................31
Service Preparations
Maintenance Component Locations ................32
Seat...................................................................33
Fuel Tank .........................................................34
Subframe..........................................................37
Service Procedures
Fluids & Filters
Fuel System......................................................41
Engine Oil........................................................51
Coolant.............................................................54
Air Cleaner.......................................................56
Crankcase Breather..........................................58
Engine
Throttle.............................................................59
Engine Idle Speed ............................................61
Clutch System..................................................62
Spark Plug........................................................67
Valve Clearance...............................................68
Piston/Piston Rings/Piston Pin.........................79
Chassis
Suspension....................................................... 88
Brakes............................................................ 105
Wheels........................................................... 109
Tires & Tubes................................................ 110
Drive Chain ................................................... 112
Exhaust Pipe/Muffler..................................... 115
Additional Maintenance Procedures.............. 119
Electrical
Battery ........................................................... 121
Appearance Care ........................................... 123
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