Checking The Connecting Rod Big End Side Clearance; Checking The Crankshaft; Checking The Crankpin Oil Clearance - SELVA MARINE Wahoo 15 Service Manual

POWR
2. Measure the connecting rod small end
inside diameter a and big end inside
diameter b. Replace the connecting rod
if out of specification.
a
Connecting rod small end inside
diameter a:
16.015–16.029 mm
(0.6305–0.6311 in)
Connecting rod big end inside
diameter b:
34.030–34.042 mm
(1.3398–1.3402 in)
Checking the connecting rod big end
side clearance
1. Measure the connecting rod big end side
clearance a.
Connecting rod big end side
clearance a (reference data):
0.05–0.22 mm (0.0020–0.0087 in)

Checking the crankshaft

1. Measure the crankshaft journal diameter
a, crankpin diameter b, and crankpin
width c. Replace the crankshaft if out of
specification.
5-55
Power unit
b
S6AG5H70
a
a
S6D55800
a
c
Crankshaft journal diameter a:
36.997–37.009 mm
(1.4566–1.4570 in)
Crankpin diameter b:
33.997–34.009 mm
(1.3385–1.3389 in)
5
Crankpin width c:
21.000–21.070 mm
(0.8268–0.8295 in)
2. Measure the crankshaft runout. Replace
if above specification.
Crankshaft runout limit:
5
0.05 mm (0.0020 in)

Checking the crankpin oil clearance

1. Clean the contact surfaces of the con-
necting rod and crankpin.
a
b
c
S6AG5910
S6AG5920
S6AG5930
5
6AG3J11