wsm wg972-e4 Workshop Manual page 141

WG972-E4, WSM
Piston Ring Gap
1. Insert the piston ring into the lower part of the cylinder (the least
worn out part) with a piston ring compressor and piston.
2. Measure the ring gap with a feeler gauge.
3. If the measurement exceeds the allowable limit, replace the
piston ring.
Top ring
Second
Piston ring gap
ring
Oil ring
1-S50
ENGINE
Factory
0.15 to 0.35 mm
specifica-
0.0059 to 0.013 in.
tion
Allowable 1.25 mm
limit 0.0492 in.
Factory
0.30 to 0.45 mm
specifica-
0.012 to 0.017 in.
tion
Allowable 1.25 mm
limit 0.0492 in.
Factory
0.20 to 0.70 mm
specifica-
0.0079 to 0.027 in.
tion
Allowable 1.25 mm
limit 0.0492 in.
9Y1211108ENS0088US0
KiSC issued 07, 2015 A