POWERHEAD
Page 4-44 90-826883R2 JUNE 1998
d. Correct piston installation:
57120
b
b
a
a
a - Intake Side
b - Exhaust Side
9. Install new piston ringsusing Piston Ring Expander(91-24697). Install RECTANGU-
LARring first in bottom ring groove.Install HALF-KEYSTONEring in top ringgroove.
Align piston rings with each respective ring groove locating pin.
57121
a
b
c
d
a - Piston Ring Expander (91-24697)
b - Rectangular Ring
c - Half-Keystone Ring
d - Locating Pin
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