Mercury 175 EFI

POWERHEAD
Page 4A-58 90-883728 JULY 2001
7. Make sure lockrings are properly seated in piston grooves.
a
51086
b
a
51086
a
a
b
a-Lockring Installation Tool b-Lockring
Piston and Piston Ring Combinations
All 153 cu. in. (2.5 Liter) models have two half keystone (half tapered) rings.
.056 in.
.056 in.