Checking The Piston Pin; Checking The Connecting Rod Small End Inside Diameter; Checking The Connecting Rod Big End Side Clearance - SELVA MARINE Blue Whale 250 EFI Service Manual

Piston pin boss bore:
21.017–21.031 mm
(0.8274–0.8280 in)

Checking the piston pin

1. Measure the piston pin outside diameter.
Replace the piston pin if out of specifica-
tion.
Piston pin outside diameter:
20.995–21.000 mm
(0.8266–0.8268 in)
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.
Connecting rod small end inside
diameter a:
21.017–21.031 mm
(0.8274–0.8280 in)
Checking the connecting rod big end
side clearance
1. Measure the connecting rod big end side
clearance a.
6P23H11
Cylinder block
Connecting rod big end side
clearance a (reference data):
0.15–0.30 mm (0.006–0.012 in)
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