
SD50 / SD50-4T
After starting the engine, check the shift
action by using the control head to shift the
AHEAD and ASTERN positions. The
AHEAD / ASTERN clutch is a mechanical
clutch called a cone clutch. Although a
grinding noise is made when this type of
clutch is engaged, it has no effect on the
operation of the engine.
CAUTION! Because of the rubbing
produced at the frictional face of the
cone clutch, friction is decreased with
use and periodic inspection and
maintenance is necessary.
NOTICE: When sailing, set the remote
control lever in neutral. Not doing so WILL
introduce slippage and void your warranty.
NOTICE: Running for long periods at low
rpm with the Sail-Drive engaged can cause
slipping and premature wear of the cone
clutch.
(2)
(3)
(4)
(5) (8)
(7)
(6)
(1)
003448-01X
Figure 4
1 – Mounting Plate at 90° Angle
2 – Operation Lever
3 – Cable Clamp
4 – Remote Control Cable
5 – Propeller Shaft Clockwise
6 – Pivot
7 – Neutral
8 – Propeller Shaft Counter-
Clockwise
SAIL-DRIVE OPERATION
28 SD Operation Manual
© 2009 Yanmar Marine International
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