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SportsBoat_F4X15.book Page 100 Friday, June 16, 2023 8:43 AM

Pre-operation checks

WARNING
Failure to inspect or maintain the boat properly increases the possibility of an accident
or damage to the boat. Do not operate the boat if you find any problem.
If a problem cannot be corrected by the procedures provided in this manual, have the
boat inspected by a Yamaha Boat Dealer.

Pre-operation checklist
Before operating this boat, perform the checks in the following checklist. Always follow the inspec-
tion and maintenance procedures and schedules described in this owner’s/operator’s manual.
Pre-operation checks should be made each time the boat is used. These checks can be com-
pleted in a short time. It is worth the time spent to ensure safety and reliability.
ITEM CHECK PAGE
PRE-LAUNCH CHECKS
Steering system Check for proper steering operation. 101
Remote control levers Check for proper throttle operation. 101
Check for proper shift operation.
Throttle/shift paddles Check for proper operation. 102
Fire extinguisher Check readiness of the extinguisher. 102
Hull Check hull for damage and cracks before launching. —
Access port caps Check for proper installation. 104
Jet intakes Check that no debris is in the intakes before launching. 104
Fuel system Check fuel system for leaks. 104
Engine oil level Check engine oil level; add as necessary. 96
Batteries Check battery condition, mounting, and connection. 105
Bilge water Check the engine compartment for bilge water. 105
Drain plug Check the drain plug for damage and foreign material 105
and check that it is securely installed.
Engine compartment and Open the engine hood and check to be sure no gasoline, 106
blowers gasoline vapors, or loose electrical connections are
present. Operate the blowers for at least 4 minutes.
Engine hood Check that the hood latch is secure. 70
Lights and horn Check lights to be sure they operate. 107, 108
Push the horn button to be sure it operates.
Engine shut-off cord (lan- Check the engine shut-off cord (lanyard) for damage. 108
yard)
Tower and Bimini top Check that the tower fasteners are secured. 91
Check that the top is secure.
POST-LAUNCH CHECKS
Switches Check operation of the main switch and engine shut-off 108
switch.
Cooling water pilot outlets Check that water comes out while the engines are running. 109
Fuel level Check fuel level; add as necessary. 109
The steering and shifting pre-operation checks will require two persons: one person to oper-
ate the controls and one person to observe the proper operation at the stern.

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