ENGINE MECHANICAL SERVICE MANUAL NUMBER 22
Page 3A-10 90-860074--1 FEBRUARY 2002
Engine Specifications
IMPORTANT: Specifications are for all models, unless otherwise listed.
NOTICE
UNIT OF MEASUREMENT: mm (in.)
Piston Rings
Description Measurement
1st Compression
(Tapered)
3.0 (.1181)
Groove Width
2nd Compression 2.06 - 2.08 (.0811 - .0818)
Oil Control 4.03 - 4.05 (.1586 - .1594)
1st Compression
(Tapered)
3.0 (.1181)
Ring
Thickness
2nd Compression 1.978 - 1.99 (.0779 - .0783)
Oil Control 3.978 - 3.990 (.1566 - .1570)
1st Compression 0.25 - 0.50 (.010 - .020)
End Gap
2nd Compression 0.25 - 0.45 (.0098 - .0177)
Oil Control 0.25 - 0.58 (.0098 - .0228)
Ring to
1st Compression Not applicable - Tapered
Ring to
Groove
2nd Compression 0.070 - 0.102 (.0027 - .0040)
Clearance
Oil Control 0.040 - 0.075 (.0016 - .0029)
Cylinder Liner Diameter
NOTE: Measurements are made at a depth of 108 mm (4.25 inches) down from the top edge
of the liner.
Description Measurement
Standard Class A 93.995 - 94.015 (3.7007 - 3.7011)
Maximum Out of Round 0.008 (.0003)
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