Installing The Piston And Piston Ring; Installing The Crankshaft And Piston - Yamaha e60hmhd Service Manual

CRANKSHAFT ASSEMBLY AND CYLINDER BODY
3. Measure:
• Piston ring side clearance
(with a thickness gauge)
Out of specification
Piston ring side clearance:
0.03 - 0.07 mm (0.001 - 0.003 in)
NOTE:
When measuring the piston ring side
clearance, the outside of the piston ring
should be flush with the piston wall.
INSTALLING THE PISTON AND PISTON
RING
Install:
• 2nd piston ring
• Top piston ring
CAUTION
• Install the piston ring with the manufac-
ture's marks facing up.
• Align each piston ring end gap with its
respective locating pin.
• After installing the piston rings, check that
they move smoothly.
INSTALLING THE CRANKSHAFT AND
PISTON
1. Install:
• Small-end bearing
Needles per piston:
28 pieces
Small-end bearing installer:
YB-06287/90890-06527
2. Install
• Piston
CAUTION
Install the piston with "UP" mark on the
piston crown facing towards the flywheel
side.
5-41
E
b
Replace.