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GEN
INFO
IMPORTANT INFORMATION
EB101000
IMPORTANT INFORMATION
PREPARATION FOR REMOVAL
PROCEDURES
1.Remove all dirt, mud, dust and foreign
material before removal and disassembly.
2.Use proper tools and cleaning equipment.
Refer to the “SPECIAL TOOLS” section.
3.When disassembling the machine, always
keep mated parts together. This includes
gears, cylinder, piston and other parts that
have been “mated” through normal wear.
Mated parts must always be reused or
replaced as an assembly.
4.During machine disassembly, clean all
parts and place them in trays in the order
of disassembly. This will speed up assem-
bly and allow for the correct installation of
all parts.
5.Keep all parts away from any source of
fire.
EB101010
REPLACEMENT PARTS
1.Use only genuine Yamaha parts for all
replacements. Use oil and grease recom-
mended by Yamaha for all lubrication
jobs. Other brands may be similar in func-
tion and appearance, but inferior in qual-
ity.
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.
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