lip
lip
spring
oil
IMPORTANT INFORMATION
EAS00020
IMPORTANT INFORMATION
PREPARATION FOR REMOVAL AND DIS-
ASSEMBLY
1. Before removal and disassembly, remove all
dirt, mud, dust and foreign material.
2. Use only the proper tools and cleaning
equipment.
Refer to the "SPECIAL TOOLS" section.
3. When disassembling, always keep mated
parts together. This includes gears, cylin-
ders, pistons and other parts that have been
"mated" through normal wear. Mated parts
must always be reused or replaced as an as-
sembly.
4. During disassembly, clean all of the parts
and place them in trays in the order of disas-
sembly. This will speed up assembly and al-
low for the correct installation of all parts.
5. Keep all parts away from any source of fire.
EAS00021
REPLACEMENT PARTS
1. Use only genuine Yamaha parts for all re-
placements. Use oil and grease recom-
mended by Yamaha for all lubrication jobs.
Other brands may be similar in function and
appearance, but inferior in quality.
EAS00022
GASKETS, OIL SEALS AND O-RINGS
1. When overhauling the engine, replace all
gaskets, seals and O-rings. All gasket sur-
faces, oil seal lips and O-rings must be
cleaned.
2. During reassembly, properly oil all mating
grease
parts and bearings and apply grease onto
the oil seal lips with greace.
EAS00023
LOCK WASHERS/PLATES AND COTTER
PINS
1. After removal, replace all lock wash-
ers/plates 1 and cotter pins. After the bolt or
nut has been tightened to specification, bend
the lock tabs along a flat of the bolt or nut.
1-2
GEN
INFO