All Replacement Parts; Gaskets, Oil Seals, And O-Rings; Lock Washers/Plates And Cotter Pins; Bearings And Oil Seals - Yamaha TTR250L Service Manual

IMPORTANT INFORMATION

ALL REPLACEMENT PARTS

1.Use only genuine Yamaha parts for all
replacements. Use oil and/or grease rec-
ommended by Yamaha for assembly and
adjustment. Other brands may be similar
in function and appearance, but inferior in
quality.

GASKETS, OIL SEALS, AND O-RINGS

1.All gaskets, seals and O-rings should be
replaced when an engine is overhauled.
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.
LOCK WASHERS/PLATES AND COTTER
PINS
1.All lock washers/plates 1 and cotter pins
must be replaced when they are removed.
Lock tab(s) should be bent along the bolt
or nut flat(s) after the bolt or nut has been
properly tightened.

BEARINGS AND OIL SEALS

1.Install the bearing(s) 1 and oil seal(s) 2
with their manufacturer's marks or num-
bers facing outward. (In other words, the
stamped letters must be on the side
exposed to view.) When installing oil
seal(s), apply a light coating of light-weight
lithium base grease to the seal lip(s). Oil the
bearings liberally when installing.
CAUTION:
Do not use compressed air to spin the bear-
ings dry. This causes damage to the bear-
ing surfaces.
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GEN
INFO