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  1. P

    Suzuki DF30A actual fuel consumption

    Hi All, I have had a DF30A since 2021, From Ireland, on a lake with 2 people, one weighed 92kgs(myself) the other 75kg, the engine weights bit over 70kg and the boat is a fletcher arrowflyte 14 foot speedboat(weighs approx 200kg) , I filled the 25L tank I got with it full and with 2 people and...
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    Mariner 40hp intermittent misfire mystery

    I recently got a new ignition coil for my Mariner 40hp 6e9 and it has been running smooth for the past two weeks at any rpm but in the last few days it has developed a misfire and 1000-2500 rpm's and if I rev it up it seems to go away, will this misfire or loss of power for a milisecond get...
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    Mariner 40hp Surging at WOT and dying off at high RPMS

    does this wiring look right to you's, possibly looking at a possible ignition coil failure/degradation
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    Mariner 40hp Surging at WOT and dying off at high RPMS

    I have a new problem with y Mariner 40hp that it is surging at WOT and slowly dies down in the revs until it stops, I checked the plugs and they are wet fouled, also the compression seems to be 110psi on both cylinders, i dont know what is causing it to die down in revs completely until it...
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    Mariner 40hp impossible to idle low revs

    I cannot idle my mariner 40hp under 1100 revs, I adjusted the idle screw and there's even a gap between the stop and the end of the idle screw, has anyone had something similar to this and I suspect that that's too high to be putting it into gear,any suggestions thanks
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    Magneto/Timing Adjustment on Mariner 40HP Please help! Bogging High RPM'S

    I have a 40HP Mariner 6E9 engine and it runs very well up until high RPM'S at WOT and bogs down, I observe that when I put it into gear it moves a bit, the linkage to shoves the magneto linkage moves up a small bit( fully advanced in youtube video below) and it does not continue to move as the...
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    Mariner/Yamaha 40hp 1986 thermostat and spark problem, wet spark plugs

    I cleaned the sparkplugs of oil on my mariner and it ran great for a minute and then eventually bogged down, could this be linked to a faulty thermostat that is stuck open because the back of thge engine is coild to touch, could that affect the air fuel mixture becuase its so cold and dampen and...
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    Mariner 40hp 1986 revving problem

    Can anyone tell me from this video of my engine revving at full throttle what is wrong please? Thanks https://youtu.be/HOOETCXBY8I https://youtu.be/HOOETCxBY8I The 2 carboretors have been cleaned and I don't know why it is sputtering at high revs, I got a new fuel line and bulb so I don't...
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