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SportsBoat_F4Y11.book Page 140 Wednesday, May 19, 2021 11:34 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. 141
Remote control levers Check for proper throttle operation. 141
Check for proper shift operation.
Throttle/shift paddles Check for proper operation. 142
(252SD)
Fire extinguisher Check readiness of the extinguisher. 142
Hull Check hull for damage and cracks before launching. —
Access port caps Check for proper installation. 144
Jet intakes Check that no debris is in the intakes before launching. 144
Fuel system Check fuel system for leaks. 144
Engine oil level Check engine oil level; add as necessary. 134
Batteries Check battery condition, mounting, and connection. 146
Bilge water Check the engine compartment for bilge water. 146
Drain plug Check the drain plug for damage and foreign material 146
and check that they are securely installed.
Engine compartment and Open the engine hood and check to be sure no gasoline, 147
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. 103
Lights and horn Check lights to be sure they operate. Push the horn but- 148, 149
ton to be sure it operates.
Bimini top Check that the top is secure. 123, 127, 128
Engine shut-off cord (lan- Check the engine shut-off cord (lanyard) for damage. 150
yard)
Collapsible tower fasteners Check that the tower fasteners are secured. 121, 122
(except for SX250)
POST-LAUNCH CHECKS
Switches Check operation of the main switches and engine shut- 150
off switch.
Cooling water pilot outlets Check that water comes out while the engines are running. 151
Fuel level Check fuel level; add as necessary. 151
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.
140