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73 6hp johnson

D

dbesselt

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"The bottom cylinder on my 6hp

"The bottom cylinder on my 6hp will not fire very well, so I pulled the flywheel and switched the coils , and the problem still persists. The carb has been rebuilt and to the best of my ability the points have been set to the proper gap. I have 60psi on my cylinder that is not fireing well. Cyliner will start the motor but then as I give it wot it will kind of serg in and out. Have I set the points wrong...I'm at a lose of what I should do but I am haveing lots fun playing with this outboard and been a great learning experience so far. I was thinking I may have a bad/intermittent plug wire."
 
Just wanted to add that I'

Just wanted to add that I'm using NGK 6BS spark plugs. The original ones in the motor were NGK(R) BR7HS
 
I just rechecked my compressio

I just rechecked my compression. I add a bit of oil before test I now get 90psi on both cylinders. Am I using the correct spark plugs. I seem to have great spark when I pull out the plugs and test them. Thanks for all the help.
 
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