Yamaha F30A, F40A BATTERY REQUIREMENT, PROPELLER SELECTION, regulator: F40MH, Models without a rectifier or rectifier

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BATTERY REQUIREMENT

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Do not use a battery that does not meet the specified capacity. If a battery which differs from the specification is used, the electrical system may perform poorly or be overloaded, causing electrical system damage.

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8A battery cannot be connected to mod- els which do not have a rectifier or rec- tifier regulator.

Models without a rectifier or rectifierregulator: F40MH

8If you wish to use a battery with the above models, install an optional recti- fier regulator.

Choose a battery for electric start models which meets the following specifications.

Minimum cold crank performance 380 Amps at -17.8°C (0°F) Minimum reserve capacity

124 minutes at 26.7°C (80°F)

EMU01395

PROPELLER SELECTION

The performance of your outboard motor will be critically affected by your choice of propeller, as an incorrect choice could adversely affect performance and could also seriously damage the motor. Engine speed depends on the propeller size and boat load. If engine speed is too high or too low for good engine performance, this will have an adverse effect on the engine.

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