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    Buy a 5hp Mariner with a blown head gasket?

    Looks to be a 1984 model year motor. Would be the equivalent of a 1984 Yamaha 5LN or 5SN.
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    Yamaha 704 binnacle remote question

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    Yamaha 704 binnacle remote question

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    Yamaha 704 binnacle remote question

    Any Yamaha dealer.
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    Buy a 5hp Mariner with a blown head gasket?

    What is the engine serial number?
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    Mariner, powerhead, identification

    What is a Bridgeport?
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    Yamaha 130 v4 idle mix screws

    How did you come to this conclusion?
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    Need a Starter - How Can ID My Model Number

    1995 model year motor.
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    Yamaha 130 hp oil pump rod adjustment

    You may be thinking of the bleeding procedure or the procedure used to measure the oil quantity being delivered over time. Which are performed with the oil pump in the furthest position that it can be. LIT-18616-02-72 covers the OP's model regarding syncing the oil pump to the throttles. Here...
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    Yamaha 130 hp oil pump rod adjustment

    What manual identity?
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    Yamaha 130 hp oil pump rod adjustment

    The oil pump control lever is not supposed to be hitting anything at the wide open throttle position. It is set in the throttle closed position. It will be wherever it will be in the wide open throttle position.
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    Loud warning tone when at idle speed

    Top secret info. Folks don't want to tell. Keeps us guessing. God only knows what they do with incorrect information because responders confuse motors. Got to be a two stroke since there is no F in front.
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    Loud warning tone when at idle speed

    Before you start the motor pull the kill switch lanyard. Then crank the motor. Turn the key to the start position that is. The alarm should sound. Is this the same sound you are hearing when operating at idle speed?
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    MPH not showing on Gage OX66 motor

    Water pressure is applied to the speedometer. To a nipple on the back of the speedometer. Within the speedometer itself the pressure is converted to speed.
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    Yamaha 130hp fouling plugs

    Is the oil pump control lever working correctly?
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    yamaha 4 stroke cold start problem

    Have you removed the Primestart valve body and cleaned it in an ultrasonic cleaner?
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    code 29 and 45

    Codes may come and codes may go.
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    1985 Mariner 40hp

    One idea leads to another. Any idea as to the engine serial number?
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    Adjusting idle on EFI 4 stroke

    What is the engine serial number?
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    2005 Yamaha 150HP water pump drive shaft leaking.

    Here is water flow from the water pump in action.
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