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To prevent oil lip seal from being damaged or upturned
when installing oil pump to crankshaft, fit special tool (Oil
seal guide) to crankshaft, and apply engine oil to special
tool.
3) Edge of oil pump gasket might bulge out: if it does, cut
bulge off with sharp knife, making edge smooth and flush
with end faces of the pump case and cylinder block.
Piston, Piston Rings and Connecting Rod
1) Install connecting rod to piston.
POSITION OF PISTON RELATIVE TO CONNECTING
ROD: The arrow (1) on the crown points to front (pulley)
side, and the oil hole (2) comes on inlet port side. See
figure below.
NOTE:
Before pinning piston to connecting rod, oil the
small end and pin holes.
2) Install piston rings to piston.
a) 1st and 2nd rings have “RN” mark. When installing
these piston rings to piston, direct marked side of each
ring toward top of piston.
b) 1st ring differs from 2nd ring by referring to figure
below.
c) When installing oil ring, install spacer first and then two
rails.
NOTE:
After installing three rings (1st, 2nd and oil
rings), distribute their end gaps as shown in fig-
ure.
After fitting the rings, oil them in the grooves.
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