GEN
INFO
General information
7
69W3D1X
Lower unit
Drive shaft
The drive shaft has been machined to accommodate the high power output. The portion that
mounts to the pinion gear has been machined with involute splines to increase durability. A section
of the midspan of the drive shaft has been reduced to 14.4 mm (0.57 in) to prevent the drive shaft
from breaking under impact loads. In addition, two grooves are provided on the drive shaft for iden-
tification purposes.
1
Grooves for identification
2
Involute splines
3
Angled splines
S69W1250
95.5 mm
(3.76 in)
Ø14.4
F50:
F60:
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