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    cylinder 1 flooding why

    hey all i have a 1987 120hp johnson. it idles fine but when im wide open throttle it will only rev to 4000rpm wiith a slow hole shot. when i get back to the ramp and pull the plugs out, the cylinder that the fuel pump runs off is flooding and the spark plug is black as. does this mean my fuel...
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    1987 johnson 120 spark plugl gap

    hey all just wondering what the spark plug gap is meant to b on my 1987 120hp johnson? cheers
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    johnson 120 with one cylinder burning rich why ?

    hi all i have a johnson 120 1987 model which has good compression. i cleaned all the carbs out and took it for a run when i punch it it has a slow hole and will only rev out to a max of 4000rpm and surges when trying to go any faster. i have noticed that the bottom cylinder on the fuel pump side...
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    120 johnson jet sizes

    hey i have a 1987 120hp johnson i have been having probems with it lately so i took all the carbs off and gave them a good clean out. while doing that i noticed that the jet sizes were different from port to starboud the were starboard 16 and 33 port 16 and 36 why does the two sides of the...
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    120 johnson wont rev past 3500rpm and backfiring

    hey all i have a 120 johnson 1987 model. when i first bought it it ran great the slowly got worse. what i have done to try and fix the problem. new plugs and leads new water impeller new gear box fluid new cdi new staor (which helped it start better) water seperator filter new fuel line and new...
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