Suzuki SFV650, Service Manual

Page: 244 / 573

1D-55 Engine Mechanical:
Piston Ring Removal and Installation
B944H11406022
Removal
1) Draw out the piston pin and remove the piston. Refer
to “Engine Top Side Disassembly (Page 1D-25)”.
2) Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring to
remove it.
NOTE
Do not expand the piston ring excessively
since it is apt to be broken down.
3) Remove the 2nd ring and oil ring in the same
procedure.
Installation
NOTE
• When installing the piston ring, be careful
not to damage the piston.
• Do not expand the piston ring excessively
since it is apt to be broken down.
1) Install the piston rings in the order of the oil ring, 2nd
ring and 1st ring.
a) The first member to go into the of the oil ring
groove is a spacer (1).
After placing the spacer, fit the two side rails (2).
CAUTION
!
When installing the spacer, be careful not to
allow its two ends to overlap in the groove.
b) Install the 2nd ring (3) and 1st ring (4) to piston.
NOTE
1st ring (4) and 2nd ring (3) differ in shape.
NOTE
• 2nd ring has letters “2T” marked on the
side. Be sure to bring the marked side to
the top when fitting it to the piston.
• Be sure to bring the concave side of 1st
ring to the top when fitting it to the piston.
I944H1140247-01
1
2
2
I718H1140143-02
“A”: INCORRECT “B”: CORRECT
A
B
“A”
“B”
I705H1140170-02
4
3
I823H1140147-01
2T
3
4
I944H1140248-01