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28 Servicing Your Honda
General Competition Maintenance
Gaskets
Always use new gaskets when reassembling components.
Cylinder Removal
Put a little grease on the cylinder mounting dowels to
prevent corrosion from dissimilar metals. The tolerances are
extremely tight, so it’s important to keep these dowels
absolutely clean (pages 76, 79).
Engine Mounting Bolts and Nuts
Make sure the engine mounting bolts and nuts are tightened
to the proper torque specification. For added peace of mind,
remove the nuts, clean the threads, and apply Pro Honda
Hondalock or an equivalent before torquing the nuts.
Electrical Connectors
Clean electrical connectors and wrap them with electrical
tape to reduce the possibility of unwanted disconnections,
water shorts or corrosion. For additional corrosion
protection, apply Pro Honda Dielectric Grease to allthe
electrical connections.
Steering Head Bearings
Periodically clean, inspect and regrease the steering head
bearings — especially if wet, muddy or extremely dusty
courses are encountered often.
Use urea based multi-purpose grease designed for high
temperature, high pressure performance (example:
EXCELITE EP2 manufactured by KYODO YUSHI, Japan
or Shell Stamina EP2 or equivalent).
Fork Oil/Performance
Disassemble, clean and inspect the front fork and replace oil
regularly. Contamination due to the tiny metal particles
produced from the normal action of the fork, as well as
normal oil breakdown, will deteriorate the performance of
the suspension. Refer to the Honda Service Manual. Use
only HP Fork Oil, SS-19 or equivalent which contains
special additives to assure maximum performance of your
CRF’s front suspension.
Frame
Because your CRF is a high-performance machine, the frame
should not be overlooked as part of your overall competition
maintenance program. Periodically inspect the frame
closely for possible cracking or other damage. It makes
good racing sense.
Spokes
Check spoke tension frequently between the first few rides.
As the spokes, spoke nuts and rim contact points seat-in, the
spokes may need to be retightened. Once past this initial
seating-in period, the spokes should hold their tension. Still,
be sure your race maintenance program includes checking
spoke tension and overall wheel condition on a regular basis
(page 94).
Nuts, Bolts, Etc
Application of a thread locking agent to essential fasteners
offers added assurance and security. Remove the nuts, clean
the threads of both the nuts and bolts, apply Pro Honda
Hondalock or an equivalent and tighten to the specified
torque.
Fuel Line
Refer to Fuel System on page 40.
Check the fuel line for deterioration, damage, or leakage.
Replace the fuel line every year.
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