ENGINE MECHANICAL SERVICE MANUAL NUMBER 22
Page 3A-112 90-860074--1 FEBRUARY 2002
As always, when fitting serviceable or new rings, clearances between all ring and groove
surfaces should be measured. Refer to Specifications.
a
b
c
d
a-First Compression Ring
b-Second Compression Ring
c-Oil Control Ring
d-Ring Clearance
CHECKING RING END GAP
1. Select rings comparable in size to piston being used.
2. Slip compression ring in cylinder bore, then press ring down into cylinder bore about
6 mm (1/4 in.) below ring travel. Ensure that ring is square with cylinder wall.
3. Measure gap between ends of ring with a feeler gauge as shown. Refer to
Specifications.
70295
Checking Ring End Gap
4. If gap between ends of ring is below specifications, remove ring and try another for fit.
5. Fit each compression ring to cylinder in which it is going to be used.
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