Yamaha LS2000 Operator's Manual download pdf (Page 98)

5-5

JET PUMP CLEAN-OUT

PROCEDURE

SEVERE INJURY OR DEATH MAY

RESULT IF YOU IGNORE ANY OF

THE FOLLOWING:

● Turn off and remove both ignition

keys, remove lanyard, and wait for

all movement to stop before

removing access port caps.

● Never override interlocks to run

engine with hatch open.

● The impeller has sharp edges. Be

careful when reaching into jet

pump area.

If weeds or debris get caught in the

intake or impeller, cavitation can occur,

and though the engine speed rises, for-

ward thrust will decrease. If this condi-

tion is allowed to continue, pump dam-

age can occur and the engines may

overheat and seize. If there is any sign

that the jet intake or impeller is clogged

with weeds or debris, follow this

cleanout procedure.

1) Turn off and remove ignition keys,

remove lanyard, and wait for all

movement to stop.

2) Lift the hatch on the rear platform.

3) Press the release button and lift the

cap up out of the port. Set the cap

where it cannot be accidentally

knocked overboard.

4) Remove any weeds or debris from

the drive shaft, impeller, pump hous-

ing, and steering nozzle. If you can-

not remove the debris, consult your

Yamaha Jet Boat Dealer.

5) To reinstall the access port cap, first

clean any debris from the opening in

the port. Align the tab on the cap

with the slot in the port, then slide

the cap down until it is seated.

TROUBLESHOOTING & SPECIAL PROCEDURES 5

WARNING

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