Installing The Piston And Cylinder - Yamaha T135SE Service Manual

1
2
5
3
4
2
CYLINDER AND PISTON
4. Calculate:
9 piston-pin-to-piston-pin-bore clearance
Out of specification → Replace the piston
pin and piston as a set.
Piston-pin-to-piston-pin-bore clearance =
Piston pin bore diameter
Piston pin outside diameter
EAS00267
INSTALLING THE PISTON AND
CYLINDER
1. Install:
9 top ring 1
9 2nd ring 2
9 oil ring expander 3
9 lower oil ring rail 4
9 upper oil ring rail 5
NOTE:
1
Be sure to install the piston rings so that the
manufacturer's marks or numbers face up.
2
5
3
4
2. Install:
9 piston 1
9 piston pin 2
9 piston pin clip 3
NOTE:
9 Apply engine oil to the piston pin.
a
9 Make sure the mark
towards the exhaust side of the cylinder.
1 9 Before installing the piston pin clip, cover the
crankcase opening with a clean rag to prevent
the clip from falling into the crankcase.
3
4-36
http://www.motorcycle.in.th
ENG
bb
–
aa
Piston-pin-to-piston-pin-bore clear-
ance
0.002 – 0.018 mm
(0.0001 – 0.0007 in)
<Limit>: 0.068 mm (0.027 in)
a on the piston points