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    yamaha 2000 25hp f25eshy no fire

    Step #1 is to charge the battery if it is electric start model.
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    Purchasing a 1971 23' Winner, no engine, great shape...

    Some WINNER boats were built with a fiberglass structure under the floor.----The one WINNER I did 18' did have a wood transom.-------Wood transoms on that would be an easy fix with some ambition.------Therefor no wood stringers.----Not sure whether a 1971 model like pictured is built that...
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    Reality of maintenance costs of a Cigarette Boat

    They say.-----A boat you buy takes about 10% of it purchase price to operate every year.-----Any qualified shops in that area?-----Plan to maintain overhaul the " go fast " engines yourself?----Priced fuel in your area?----Do you know how much fuel they take at 100 MPH ?
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    2000 Yamaha 50HP bad center cylinder

    Good eye on that difference of the pistons.----Been apart once before.-----All the more reason to shop for another motor !
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    Cylinder Compression Incongruences.-

    Fact---Many gaskets are indeed porous!----Nature figures out a way for water to work / seep it's way through.-----Water then evaporates and leaves that white deposit.----Since there is no white next to the gasket , can there be any other explanation ?
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    johnson motor year model

    An MQ is a 9.5 HP all day long !----Pictures will get you the answer.
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    81 Johnson 7.5 driveshaft stuck

    Many motor suffer this fate.----The way I see it is that motors today will start and run.---Then folks do not service them just because motor runs.-----Never consult a shop to grease the spline / maintain the water pump !
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    E90TLESB - Son-In-Law's boat. Runs good but has to squirt Premix!

    Maybe the filter screen INSIDE the primer valve is plugged / partially plugged ?----This hard starting should be easy to figure out !
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    Idling

    Agreed with the above.---Post your compression numbers.-----What " work " has been done to the motor ?----Did the stalling issue present itself suddenly ?----Has water pump been serviced ?-----Mixing good oil at 50:1 on this motor.
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    1999 Johnson 25 Water Pump

    Is this a 2 cylinder motor or 3 cylinder.----Model # is ?-----When test running in a bucket you need water about 8" above the impeller.----
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    Johnson TN-26 Fuel Mixture

    The 24 : 1 will work fine.-----You are aware of that L-shaped mixture needle for the idle intake port / rotary valve ?
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    E90TLESB - Son-In-Law's boat. Runs good but has to squirt Premix!

    How did this boat run for the son in law last season ?----Or is this a new toy ??-----Pushing the key in OPENS the electric primer valve.-----This valve then squirts fuel directly into the airstream while cranking.-----This wonderful item replaces " choke flappers " of years gone by.----The...
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    Cylinder Compression Incongruences.-

    Well ---30 NM sounds correct for a head bolt in an aluminum block.
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    Where do I belong? Alum Goods 1687, SS16 Clone?

    Just buy some 2 part pourable foam and you will be good to go for 10 years or more.----Noah's in the GTA area will help you with that.
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    E90TLESB - Son-In-Law's boat. Runs good but has to squirt Premix!

    Are you giving it some throttle for cold starting ?---Are you pushing the key in WHILE cranking it over ?-----Lots of sparkplugs ??----Sounds like someone is guessing at what might be wrong.----Post your compression values.----And does spark jump a gap of 7/16" on a proper test device.
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    1962 Mercury 500 E 50 horse no spark

    Clean and set breaker points.
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    Where do I belong? Alum Goods 1687, SS16 Clone?

    This foam under the floor is a great idea for the builder of the boat.------Not a good idea for the owner of a 40 year old boat.-----I am doing a boat and the foam has been tossed.------Installed structural bits instead of the foam.------No foam going into the boat once done.
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    Water leaking between where jet pump flange bolts on to motor tail shaft.

    More than likely it is normal.------Any pictures of these leaks ?
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