Mariner 30 JET 40 (4 CYL) Service Manual page 165

7. Secure piston pin in piston by installing new "G"
type piston lockrings into groove in each end of
piston pin bore. Make sure that lockrings are
seated in grooves.
a - Piston Pin Lockring (One Each Side)
b - Needle Nose Pliers
8. Install new piston rings on piston with Piston Ring
Expander Tool (91-24697). Spread each ring just
enough to slip over piston. Check that piston
rings rotate freely in ring grooves. If ring does not
rotate freely, condition must be corrected.
Design 1
Design 2
4-36 - POWERHEAD
b
a
54697
9. Lubricate rings with light oil and align ring ends
with locating pins in ring grooves.
a - Piston Ring Locating Pin
90-814676R1 DECEMBER 1996
a
54719