IMPORTANT INFORMATION
EB101000
IMPORTANT INFORMATION
PREPARATION FOR REMOVAL
PROCEDURES
1. Remove all dirt, mud, dust and foreign mate-
rial before removal and disassembly.
2. Use proper tools and cleaning equipment.
3. Refer to the "SPECIAL TOOLS" section.
4. When disassembling the machine, always
keep mated parts together. This includes
gears, cylinders, pistons and other parts that
have been "mated" through normal wear.
Mated parts must always be reused or repla-
ced as an assembly.
5. During machine disassembly, clean all parts
and place them in trays in the order o disas-
sembly. This will speed up assembly and
allow for the correct installation of all parts.
6. Keep all parts away from any source of fire.
EB101010
REPLACEMENT PARTS
1. Use only genuine Yamaha parts for all repla-
cements. Use oil and grease recommended
by Yamaha for all lubrication jobs. Other
brands may be similar in function and appea-
rance, but inferior in quality.
EB101020
GASKETS, OIL SEALS AND O-RINGS
1. Replace all gaskets, seals and O-rings when
overhauling the engine. All gasket surfaces, oil
seal lips and O-rings must be cleaned.
2. Properly oil all mating parts and bearings
during reassembly. Apply grease to the oil
seal lips.
2
GEN
INFO