Yamaha FX10X 2008, Service Manual

Page: 251 / 411

5-65
ENG
CONNECTING RODS AND PISTONS
INSTALLATION
1. Install:
• Top ring
1
• 2nd ring 2
• Upper oil ring rail
3
• Oil ring expander 4
• Lower oil ring rail
5
NOTE:
Be sure to install the piston rings so that the manu-
facturer marks
a
face up.
2. Install:
• Piston 1
(onto the respective connecting rod
2
)
• Piston pin 3
• Piston pin clips
4
NOTE:
• Apply engine oil onto the piston pin.
• Make sure that the “Y” mark
a
on the connecting
rod faces left when the punch mark
b
on the pis-
ton is pointing up. Refer to the illustration.
• Install the piston pin clips, so that the clip ends
are 3 mm (0.12 in)
c
or more from the cutout in
the piston.
• Reinstall each piston into its original cylinder
(numbering order starting from the left: #1 to #3).
2
1
3
4
a
b
4
c
New
3. Offset:
• Piston ring end gaps
a
Top ring
b
2nd ring
c
Upper oil ring rail
d
Oil ring expander
e
Lower oil ring rail
È
Exhaust side
be
ad
c
È
90˚
90˚
45˚