SELVA MARINE Fin Whale 225 EFI, Service Manual

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NOTE:
When measuring the piston pin boss bore, do
not measure it at the oil grooves
a
or ring
groove
b
.
Checking the piston pin
1. Measure the piston pin outside diameter.
Replace the piston pin if out of specifica-
tion.
Checking the connecting rod small
end inside diameter
1. Measure the connecting rod small end
inside diameter
a
. Replace the connect-
ing rod assembly if out of specification.
Checking the connecting rod big end
side clearance
1. Measure the connecting rod big end side
clearance
a
.
Piston pin boss bore:
21.017 – 21.031 mm
(0.8274 – 0.8280 in)
Piston pin outside diameter:
20.995 – 21.000 mm
(0.8266 – 0.8268 in)
S6AL5470
Connecting rod small end inside
diameter
a
:
21.017 – 21.031 mm
(0.8274 – 0.8280 in)
Connecting rod big end side
clearance
a
(reference data):
0.15 – 0.30 mm (0.006 – 0.012 in)
Cylinder block