Removing Piston; Removing Piston Ring; Disassembling Piston Assembly - wsm 03-CR-E4 Workshop Manual

4. ENGINE

5.34 Removing piston

1. Turn the flywheel and move the piston to bottom
dead center.
2. Remove the connecting rod screws (1).
3. Remove the connecting rod cap (2).
(1) Connecting rod screw
4. Fully clean the carbon in the cylinders.
5. Turn the flywheel and move the piston (3) to top
dead center.
6. Lightly tap the connecting rod big end bore from the
bottom of the crankcase with the grip of a hammer
to pull the piston (3) out.
IMPORTANT
• Do not change the combination of cylinder
and piston.
Align the position of each piston by the its
mark. For example, mark "1" on the No. 1
piston.
(3) Piston

5.35 Removing piston ring

Tools required
• Piston ring pliers
1. Remove the top ring (1) and second ring (2) with a
piston ring pliers.
4-130
(2) Connecting rod cap
(1) Top ring
2. Remove the oil ring (3) with a piston ring pliers and
expander (4).
(3) Oil ring

5.36 Disassembling piston assembly

1. Remove the piston pin snap ring (1) from the piston
(2).
SERVICING
5. Disassembling
(2) Second ring
(4) Expander
03-CR-E4,03-CR-TE4BG
KiSC issued 02, 2021 A