G2 Driving me crazy

[yelilly]

I am working on a G2 for a friend at our campground. Started out that the brushes were bad ordered new brushes put them in, then tried to start it and it would run now but very rough. It wont run enough to move out of its tracks. Misses real bad. Took the coil off and checked the resistance the way the book says, seems to be bad. Put new coil on same thing. Have taken the carb off an cleaned with carb cleaner and blew it out with compressed air. Try to adjust the mixture screw nothing. I am already bald on top don't want to pull the sides out now, but it is driving me crazy. Please some of you more knowledgeable than me chime in, I will try anything. One other thing, when I checked the new coil it showed out of specs also, I did it like the book says but it shows bad to. How reliable is the coil test anyway, I have seen some say you cant check it reliably with ohm meter some say you can?

Thanks for your help Earl

 

[yelilly]

PS I forgot to add this but I put a wire from the neg side of the batt. to the valve cover bolt when I tried to crank it the insulation started melting it was a 12 gauge wire. When I quit cranking it stopped smoking the wire.

 

[BadToTheBone]

I remember hearing about new coils being bad a few months ago so its possible you got a bad one. Have you tried a compression test? The melting wire makes me think you have a bad ground from the engine to the frame. You might want to check that first.

 

[yelilly]

Thanks I will try that too.