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    merc 7.5 no spark

    awhile back had no spark one one cylinder on my lil 7.5 hp merc, so replaced the switch box with another used and voila. but all of a sudden again now no spark on both cyl. so my questions are... is it posible its just another switch box as it was used parts.....or could there be something...
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    lean/rich screw stock settings from seated position anyone?

    i have a 9.9 evinrude now and was wondering what the stock setting were for the lean/rich screw from the seated position. model e10rcns serial num c7152262 thanks
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    is mud flaps needed in alberta for trailer

    just built a trailer and havent noticed if other trailer out there have mud flaps to make them legal in alberta canada. any thoughts?
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    steel thickness for home made trailer

    how thick steel should i use for building a quick little trailer for my 12 ft aluminum and my 7.5 hp merc.
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    merc 7.5 no spark on 1 cylinder

    so ive just noticed one of my cylinder has no spark.i am talking about a merc 7.5 hp 7155910 outboard.so i switched the leads going to the cdi(or coil) unit and the was spark. so the coils must be good.this leads me to beleive the ignition unit is pooched. its the same ignition for both coil and...
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    help to set timing on 7.5 merc

    just wondering if anyone wants to give me a quick run down on how to time and set my carb on my lil 7.5. for the most part actually it idles not too bad maybe a lil rough at low rpm,to be expected i guess, but is a lil hesitant ramping up from mid to mid.i noticed this thing pretty much runs on...
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    water out of idle reliefs?And running temp?

    i have an older 7.5 merc outboard and in the wake of troubleshouting water flow issues noticed more water comes out of the releifs then the pee hose.ie took off lower half blew compressed air up tube(w no thermostat) and 75% comes out releifs.does this sound right? Maybe now i could beleive my...
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    water pump issues just exhaust coming out

    so ive been battling with my 7.5 mercury motor for far too long.When i got the motor the water line was plugged and it overheated the engine so the guy sold it to me for cheap.i tore it apart cleaned it all out, blew out water passages with air and fed a wipper snipper wire through just to be...
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    anobody have problems with cooling on a 7.5 merc

    anybody ever have problems with the side access plate on the port side of the powerhead being warped? how bout the lil plastic flange for the top of the copper tube? i suspect a problem with one of these
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    tried everything to get water pump working on 7.5 hp

    i got a boat that overheated,scored a piston bc the pump didnt work.changed out the piston rings etc top end etc,and started investogating the water pump issue i found the copper tube was plugged below the power head so i unplugged it put a new impeller in did a full flush on the bench of the...
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