Voyager L4-153 25L SOHC Engine Piston Ring Removal and Installation
Piston Ring: Service and Repair
Installation
Piston Ring End Gap Position
1. The No.1 and No.2 piston rings have a different cross section. Install rings with manufacturers I.D. mark facing up, to the top of the piston.
CAUTION: Install piston rings in the following order:
a. Oil ring expander.
b. Upper oil ring side rail.
c. Lower oil ring side rail.
d. No.2 Intermediate piston ring.
e. No.1 Upper piston ring.
Installing Side Rail
2. Install the side rail by placing one end between the piston ring groove and the expander. Hold end firmly and press down the portion to be installed
until side rail is in position. Do not use a piston ring expander to install side rails.
3. Install upper side rail first and then the lower side rail.