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    1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all 6

    Re: 1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all These 2 pictures are down by what looks like a water jacket from the back of block could the gasket of failed there? is that normal to have water back there....maybe ?just a failed gasket bummed maybe a...
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    1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all 6

    Re: 1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all I dont see anything looks good to me......could the inner gasket on the baffel leak this look like new to new
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    1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all 6

    Re: 1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all Thanks Charlie I got serial # sitting in front of me. I have 1 bolt left below this shift guide in above pic I pulled 2 bolts to the block seems like its riding on a pin or something any trick to get this...
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    1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all 6

    Re: 1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all I started pulling exaust bolts they all seem to come out easy I guess I got lucky I still have the lower ones in cowling area to get to I wonder if this has been done before how do you upload pics ? Its pretty...
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    1976 150hp merc has white smoke coming out of #3 cylinder i have 135 comp on all 6

    I run the motor no white smoke from exhaust ( btw i run it in a big tank not ears) I looked at the back of the motor while running to see if the water jacket by plugs were leaking i see nothing, the compression is 135 psi on all 6 cylinders including # 3 the suspicious cylinder were the light...
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    T9.9ELHR carb issues ( 4 stroke)

    This motor will not run unless I hold my hand over intake. If I dont it will fire up Idle up and die I cleaned carb yesterday No difference, I took carb off again and have soaked it over night, Any suggestions on cleaning jets? Im guessing low speed jet is clogged? Maybe run a small wire...
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    89 9.9 compression

    im getting about 110 psi on this motor on both holes. do these have lower factory compression?
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    OOPS 1989 9.9 lower unit Impeller change / Need advice to get it back together!!

    I have done alot of lower units on the bigger horse Motors this one I think Im in trouble I got the lower unit off but now when I put it back up Every thing is messed up R is N N is R and forward is R I have no idea how this happened how do I go about putting lower unit in Nuterual and...
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    1990 19' Spectrum Interior rebuild

    I bought this spectrum. Have the backfloor removed was wondering if there was a esy way to remove bow live wells in tact to acess floor so I can replace floor Heres a few pics
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    20HP Ser# 5184040 (1979) cant get lower unit to drop

    Bought this motor. Its stuck in forward , Cant get lower unit to drop. I have removed all the bolts Including hidden, Any suggestions? could it be rusted on spline gear up at powerhead???? any help would be great ...........Thanks Ted
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    04 Salt water with tick ( NOT A KNOCK) were to start tracking this down

    has a tick that does not get louder under WOT fires right up and runs fine I have 1 cylinder at 110psi the rest are at 120
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    what do you think this is worth 1981 13.5 rigid hull Avon with 50 hp mercury

    Re: what do you think this is worth 1981 13.5 rigid hull Avon with 50 hp mercury sitting on a aluminum EZ load trailer new 14" tires this is like new condition never been patched
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    what do you think this is worth 1981 13.5 rigid hull Avon with 50 hp mercury

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    81 50hp Merc Impeller Detroyed

    So the Impeller was in peices in housing I think I got them all out . I blew air up through p/u tube seemed clear went up through and out **** tube ........ I'm hoping I have no residual up in block anyway to flush it out? Thanks
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    1981 14' Avon Delux

    I'm trying to figure out how to mount front light and back light on this, so I can run it at night Anyone done this? I was going to fab a bracket in back. not sure how to mount front running light. Any suggestions would be great
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    Lost key to controls anyone every picked one of these locks

    anyone have any luck picking lock on merc control key .or is there a easier way mid 80's could not be top hard Im guessing
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    2004 150HP 2stroke V6 Saltwater making ticking noise

    I bought this motor knowing about this noise, Ive rolled the flywheel around on each cylinder I feel no play, Ive rocked it no play. compression is Left bank: 120 120 110 Right bank 120 120 120. Runs fine. when You turn it over there is no wobble at flywheel Could this be a spun bearing? is...
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    1975 aluminum starcraft leaker

    whats the best way of going about sealing this boat? check every rivet? fill the drain hole with water and look for leaks?
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    1984 Mariner 50hp / Thermostate?

    put a new impeller in it, the old was was gone!! it's cycling water good but the water is warm , not like other motors , does not over heat ran it all day yesterday. is there a Thermostat on this motor, its a 1984 4cylinder 50hp CDI sorry about the odd picture click on it it gets bigger Thanks
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    4 cylnider 50 hp mariner 1984

    I bought this 4 cylinder 50HP Mariner is this built by Yamaha? wonder why so many cylinders? is this for quick take offs? anyone had one of these are they depenadable
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