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SportsBoat_F4Y11.book Page 41 Wednesday, May 19, 2021 11:34 AM

Control function operation

direction of the boat is controlled by the shift
gates, which direct the flow of the jet thrust as N
follows: F 1 R

Neutral
The shift gates are dropped down part way
over the jet thrust nozzles. The neutral posi-
tion balances forward and reverse thrust to
help keep the boat from moving, although
some movement may occur.
1 TDE position

1

1
2

2

1 Shift gate
2 Jet thrust nozzle
1 Shift gate
Forward
2 Jet thrust nozzle
When the remote control levers are initially
moved to the forward position and the boat is When the remote control levers are moved
operating at a slow speed, the shift gates are farther forward, the shift gates are lifted all the
lifted up slightly from the neutral position and way up. All jet thrust is to the rear, which
jet thrust is directed downward at an angle. moves the boat forward.
This function, which is called the thrust direc-
tional enhancer (TDE), helps to provide good
handling response when the steering wheel is
turned, even though there is less thrust avail-
able at low engine speeds.

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