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  1. D

    04 df 250 side cover removal

    hello all, I am trying to remove the side covers on an 04 DF 250 to replace anode and water pressure relief valve. All screws came out with the exception of the top and bottom screws on the rear. The bottom was rounded by previous owner. I'm working on rounding off the top one. There is a...
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    j140px4so

    <p> Having issues with wires burning coming from charging coil. Dropped at least one clyinder as a result. Any ideas ?Dont know how to post pics...</p>
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    50 hp 4 cyl rectifier questions

    I'm working on an older 50 hp 4 cyl 2 stroke (6307771) .It lost fire on two cylinders. after checking dva voltages, I determined switchbox to be bad. Replaced and it ran fine for two outings then lost fire on 2 cylinders again. again dva readings pointed to switchbox. I pulled flywheel to check...
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    50 hp merc carb issue

    Two stroke 80's model (serial #6307771) I'm having a hard time finding a fuel bowl baffle(814483) to replace a...
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    f15cmsh carb kit / idle screw access ???

    Hi all, been awhile since I've posted. Hope everyone is doing well. I'm rebuilding the carb on a 15 hp Yamaha. I am having trouble finding the correct carb kit for it. Does anyone have a part #. I prefer Siera due to price. Also while I'm on the subject of carb rebuild ,is it common practice to...
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    94 120 hp evinrude vro fuel pump conversion

    Has any here converted a vro motor to a conventional pulse fuel pump and premix oil/gas ? What model/style pump did you use and how did you mount ? Thanks....
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    j25eetc primer hose routing diagram

    hi all, been awhile since I've posted. I have a question about a customers engine. I'm doing a carb clean/rebuild and fuel hose replacement. The fuel primer has 2 outlets, and as received only one hose which goes to the top of the carb and the bottom of the intake plate via a "t" in the line...
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    dva readings

    checking stater and trigger for voltage. should multi meter be set on ac or dc with dva adapter attached ?
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    9.9 evinrude leaking crankshft seal/reeds symptoms ???

    i have a 75 9.9 evinrude that's not running right. it feels real sluggish upon acceleration . it will not run at wot without choke being pulled all the way out. i have pulled carb twice...the second time it sat in ultrasonic cleaner 1 1/2 hrs...i also pulled the flywheel. cleaned and reset...
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    50 hp 4 stroke carbs

    Hoping someone can explain to me how the enrichment/choke system works on these motors. it has 2 solenoids that operate the choke. when should they be energized and by what ? also how does the accelerator pump work. trying to understand whats going on before i tear the carbs apart
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    1988 150 charging issues (e150stlcca)

    got a 150 rude that im working on...12.3 volts on battery before cranking....12.2 volts after cranking. checking at batt terminals. checked dva voltage of yellow wires...25 volts. the area under flywheel has varnish drippings. could a faulty stator show correct dva readings ? 15.4/16 volts from...
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    40 hp merc ....no fire (0d089351)

    working on a 40 hp merc that has no spark. when the owner brought it to me he said it ran fine one day then would not run. when i got it gas was running out the top carb and fuel line was leaking at the tank connector. i checked spark...it jumped 3/8 in. not pretty blue but it did jump...
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    05 johnson 140 (jl140px4s0) IGNITION ????

    posting for a friend...this is the info that i have. he bought the boat recently. po said it had been sitting for a while. he drained all old gas /oil and changed plugs. boat ran fine... while fishing one day the motor shut off and would not start back up. with the switch in the on position it...
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    99 c40trlx cooling question

    im working on a 40 hp yammy. customer asked me to replace impeller. when i removed water pump housing , the impeller was completely disintegrated. i replaced and tested in water tank...all was fine. after a few weeks he called me back and said it wasn't peeing good all the time and that it was...
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    07 9.9 cowl

    hi..im in need of a cowl for a 07 9.9 four stroke. the listing on here and boats.net says unavailable....any suggestions ???
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    shift issues

    hi, i have a mid 80s mercruiser with 4 cyl. while on the trailer the boat will shift to forward...back to neutral...reverse...back to neutral with ease. once i put it in the water and shift to either forward or reverse, it is very hard to get back to neutral. after i manage to get it in neutral...
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    Alpha one no spark

    2003 5.0 with thunderbolt ignition....Ive checked ignition switch and kill circuit. i have 12.3 volts on both sides of coil. checked for spark from coil wire . nothing. can anyone tell me how to check for a faulty coil or pickup sensor
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    1975 9.9 evinrude idle adjustment

    im working on a 75 9.9 envinrude. it has idle mixture knob on inboard side of motor. where should i set the idle mixture screw before putting knob on ? also...does this motor have a pee port or does all cooling water exit through the exhaust.
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    2001 yamaha 50 hp 2 stroke fuel enrichment system

    can anyone explain the proper operation of these systems...thanks
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    2005 bf 90 ignition switch

    hi , im having problems with my ignition switch ( no choke and not always returning to on from start ).i am looking at the Sierra catalog but dont know which switch that i need.im thinking mp39830 or mp41000. the difference being for a magneto ignition or a conventional ignition. any comments...
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