3-68 ENGINE
•1st ring 5 and 2nd ring 6 have letters “IT” and “T” marked on
the side. Be sure to bring the marked side to the top when fit-
ting them to the piston.
• Position the gaps of the three ring as shown. Before inserting
each piston into the cylinder, check that the gaps are so
located.
C 2nd ring and lower side rail
D Upper side rail
E 1st ring and spacer
PISTON AND CONROD
• Rub a small quantity of MOLYBDENUM OIL SOLUTION onto
each piston pin.
MOLYBDENUM OIL SOLUTION
• Assemble the piston and conrod.
NOTE:
When installing the pistons, the indent
A
on the piston head
must be brought to the other side of ID code
B
on the conrod
big end.
• Install the piston pin circlips 1.
NOTE:
End gap of the circlip should not be aligned with the cutaway in
the piston pin bore.
• Apply engine oil to the sliding surface of the pistons and cylin-
der walls.
NOTE:
Be sure to install the pistons in the cylinders from which they
were removed in disassembly, refering to the cylinder numbers,
“1” through “4”, scribed on the piston.
EX
IN
120˚
120˚ 120˚
Use new piston pin circlips to prevent circlip failure
which will occur with a bend one.
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