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    m40d (1992)

    motor not peeing hard, light stream( new water pump, housing, gaskets,new upper seal and housing, new head gasket bolts and head cover gasket)
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    overheat alarm

    hello i have a 2006 johnson 115hp 2 stroke outboard on a stratus 275 pro xl everything has been working fine until today when i got stuck in some mud the motor overheat alarm started going off, i imidiatly shut it off and used the troling motor to get into deeper cleaner water ( fresh water use...
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    m40d

    am replacing upper seals and plate on lower unit. there is a set of bearings below the seals but above the vent hole for lower unit fluid do these bearings get lubricated by the lower unit fluid or should i but bearing grease on them before putting it back together?
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    m40d

    back with the m40d have finally yesterday had the time to drop the lower unit and take a look at rhe upper seal and it looks to be in very rough shape it looks like i need to replace the whole plate with seals and all. i went to the only tohatsu dealer in my area and they said 7 to 10 bussiness...
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    tohatsu m40d

    i am back with the m40d and have a problem with water getting into the lower unit, i thought it was getting in through the drain and fill screws because they did not have any gaskets, i replaced the gaskets and have had the boat in my driveway working on the trailer and have noticed lower unit...
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    m40d

    high back with the m40d have got the motor running good just need to rplace the prop to get the most out of the motor. right now i have a 10.2 diameter with a 13.9 pitch running 4900 rpm at wot need to get closer to 5500 and would like the most top speed i have a choice between 10.375 diameter...
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    m40d

    have motor running good. have preformed all maint tasks. tuned up carbs etc., my questionis that the rpms of the motor at full throttle are at 4800 and that seems pretty low compared to other engines not really sure what the wot should be and dont know prop size or pitch. it is a michigan brand...
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    m40d

    tohatsu m40d 3 carbs i only see one adjustment screw for each carb. is this the only adjustment screw or are the other screws ( meaning idle or high speed ) behind the oil resivour?
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    tohatsu M40D

    hi i am back with the M40D the carbs have been pulled taken apart cleaned and then reinstalled. With this motor having 3 carbs what is the rule of thumb for this motor to getting them tuned as close as posible without any special tools? i would also like to know what is involved in replacing...
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    tohatsu 40 hp

    I have an old tohatsu 40 hp m#(M40D) which has 3 carbs on it. the motor idles fine and runs ok at full throttle, if you give it a little gas it works fine but if you try too floor it after running slow it will bog out and die. the only way to go to full throttle is to go from idle to full...
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