Mercury MerCruiser 8.1S - Page 31

GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 31 of 58
4. Check for angular misalignment by hand holding coupling faces tightly together and
checking for a gap between coupling faces with a .003 in. (0.07 mm) feeler gauge at 90°
intervals.
75534
c
b
a
Velvet Drive
50608
50609
a
c
b
c
a
b
ZF / Hurth
a-Propeller Shaft Coupler
b-Feeler Gauge
c-Transmission Output Flange