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    2002 Mercury 115 ELPTO 2 Stroke electrical output

    Low? That is pathetic.
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    2002 Mercury 115 ELPTO 2 Stroke electrical output

    Many folks have their Mercury motor starting batteries connected to a house battery via a VSR/ACR/Combiner/Etc with no ill effects so that the alternator charges each battery according to its own needs. Some Mercury models use two voltage regulators where one charges the start battery and the...
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    Mercury 60 HP Differences

    Four strokes have been replacing two strokes over time for quite a while now. Less polluting. EFI models have been replacing carburetted models over time. Less polluting. Less problematic. Use the link above to get to what Mercury has offered over the years. Why does it matter?
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    Mercury 60 HP Differences

    https://www.jdpower.com/boats/2008/mercury/outboard-motors
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    1994 250 2 stoke yamaha

    Normal from the carburetors perhaps. Not normal from the air intake silencer.
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    Prop Shaft "mid bearing" part number help

    Sounds like an LF gear case being shifted and run in reverse so as to go forward with a right turn propeller.
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    1994 250 2 stoke yamaha

    You know the mix ratio is correct by confirming that the oil pump link rod is set correctly. According to what the service manual says. When the motor is tilted up the inlets to the carburetors is facing downward. Any fuel oil mix that is in the carburetors can drip downward.
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    Prop Shaft "mid bearing" part number help

    Look at the gear case housing for whatever markings you can find. What are you seeing?
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    Prop Shaft "mid bearing" part number help

    All I think is that the propeller shaft picture in the OP's post looks more like an LF225TURC propeller shaft than it looks like an F225TURC propeller shaft. Not unheard of for an LF225 gear case to be installed on an F225 motor. Or vice versa.
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    Prop Shaft "mid bearing" part number help

    The propeller shaft shown in your photograph looks to be that for an LF225TURC.
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    Help identifying thus Mercury 5hp

    Go to the Mercury Marine parts catalogs. Type in the engine ID. It will take you to the motor. https://public-mercurymarine.sysonline.com/Default.aspx?sysname=NorthAmerica&company=Guest&NA_KEY=NA_KEY_VALUE&langIF=eng&langDB=eng
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    Kill switch tether yamaha 4 hp 2 stroke

    Remove your present stop switch and then visit a Yamaha dealer or two to see if they have the type that has a clip with a kill switch lanyard attached to it. See if the diameter of the threaded section and the electrical connections are similar. Some modifications may be needed.
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    Selva/Yamaha F60 EFI power cable connection

    You might want to get a Selva parts catalog and/or service manual if you are going to be working on the motor.
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    Selva/Yamaha F60 EFI power cable connection

    Do you know if the Selva F60 is similar to a Yamaha F60? If so, what year?
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    Question on Yamaha electrical connectors

    They are not Yamaha specific. Try a Yamaha motorcycle shop or https://www.easternbeaver.com/connectors/
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    1994 yamaha 250 outboard..txrs

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    '02 Merc 4 Stroke - Diagnosing bad ECU?

    If it is of any consolation you are not the first to throw parts at a problem and you certainly won't be the last one. Modern self diagnostic equipment can make the problem worse. Folks get a code, say one relayed to sensor X, and then buy and replace sensor X. Sensor X was not the problem.
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    Fuel Pump for 1997 9.9 mercury four stroke

    Here is what an AI search just turned up. I am not seeing anything incorrect in what has been written. Seems to all be good advice. What is there that is not correct? photo url uploader
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    Fuel Pump for 1997 9.9 mercury four stroke

    What did/does AI have to do with this thread?
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    Fuel Pump for 1997 9.9 mercury four stroke

    See below. Yamaha part number is now 99999-03273-00.
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