Yamaha TT-R125EY Service Manual page 17

IMPORTANT INFORMATION
EC132000
ALL REPLACEMENT PARTS
1. We recommend to use Yamaha genuine parts
for all replacements. Use oil and/or grease
recommended by Yamaha for assembly and
adjustment.
EC133000
GASKETS, OIL SEALS AND O-RINGS
1. All gaskets, oil 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.
EC134000
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.
EC135001
BEARINGS AND OIL SEALS
1. Install the bearing(s) 1 and oil seal(s) 2
with their manufacturer's marks or numbers
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 lightweight lithium base grease to the seal
lip(s). Oil the bearings liberally when installing.
NOTICE
Do not use compressed air to spin the
bearings dry. This causes damage to the
bearing surfaces.
EC136000
CIRCLIPS
1. All circlips should be inspected carefully
before reassembly. Always replace piston pin
clips after one use. Replace distorted circlips.
When installing a circlip 1, make sure that
the sharp-edged corner 2 is positioned
opposite to the thrust 3 it receives. See the
sectional view.
4 Shaft
1-3
GEN
INFO