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Operation
69
EJU32641
Quick Shift Trim System (QSTS)
Operate the QSTS selector lock lever and the
QSTS selector several times to check that
they operate properly.
(1) Squeeze the QSTS selector lock lever
and check that it returns smoothly to its
original position when released.
(2) Check that the QSTS selector turns
smoothly when the lever is squeezed and
check that the selector locks in place at
each position when the lever is released.
(3) Check that the angle of the jet thrust noz-
zle changes when the QSTS selector is
shifted from neutral to bow up or bow
down.
If the mechanism does not work properly,
have a Yamaha dealer service it.
EJU32650
Jet intake
Carefully check the jet intake for weeds, de-
bris, or anything else that might restrict the in-
take of water. If the jet intake is clogged,
cavitation could occur, reducing jet thrust, and
possibly damaging the jet pump.
In some cases, the engine may overheat be-
cause of lack of cooling water, and damage to
the engine could result. Cooling water is fed to
the engine by the jet pump. (See page 106 for
jet intake cleaning procedures.)
WARNING
EWJ00470
● Keep away from the intake grate while
the engine is on. Items such as long hair,
loose clothing, or PFD straps can be-
UF1W10E0.book Page 69 Monday, November 26, 2007 3:57 PM