ENGINE 3-53
OVERSIZE OIL RING
The following two types of oversize oil rings are available as
optional parts.
They bear the following identification marks.
• Measure the outside diameter to identify the size.

1 Oil ring spacer

A Paint
PISTON PINS AND PIN BORE
Measure the piston pin bore inside diameter using the small
bore gauge.
If the measurement is out of specifications replace the piston.
& Piston pin bore I.D.
Service Limit: 20.030 mm (0.7886 in)
" 09900-20602: Dial gauge (1/1000 mm)
09900-22403: Small bore gauge (18 – 35 mm)
Measure the piston pin outside diameter at three positions using
the micrometer.
If any of the measurements are out of specification, replace the
piston pin.
& Piston pin O.D.
Service Limit: 19.98 mm (0.7866 in)
" 09900-20205: Micrometer (0 – 25 mm)
CONROD AND CRANKSHAFT
CONROD SMALL END I.D.
Using a small bore gauge, measure the inside diameter of the
conrod small end.
& Conrod small end I.D.
Service Limit: 20.040 mm (0.7890 in)
" 09900-20602: Dial gauge (1/1 000 mm, 1 mm)
09900-22403: Small bore gauge (18 – 35 mm)
If the inside diameter of the conrod small end exceeds the limit,
replace the conrod.
SIZE
COLOR
SIDE RAIL SPACER
STD NIL RED
0.5 mm O.S. BLUE BLUE
PartShark.com
877-999-5686
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