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    1967 9.5hp Johnson sparkplugs?

    just got a 1967 9.5hp Johnson. came with fouled up champion j6c plugs. marine engineers shows j4c. champion catalog j8c. which plug is the best to use for trolling long periods of time?
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    40hp Johnson won't idle...

    got a 1984 40hp Johnson tiller that won't idle. carbs have been cleaned, new plugs and fresh gas. I removed the air box and notice gas will spray out from the top carb. could this be a cracked reed?
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    1977 35hp Johnson won't turn off

    got a 1977 35hp Johnson model 35EC77C. it has a black plug harness with the key on the dash. starts right up and runs great but won't stop running when I key the key off. have to choke it to get it to stall out and quit.
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    Yamaha 8hp carb float adjustment question...

    got a 1997 Yamaha 8hp 2-stroke. I'm having issues with it flooding after it runs for less than a minute. I've narrowed the problem to the carb. Put a different carb on it and it runs great. What is the correct float level setting?
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    water on spark plugs???

    got a 8hp mariner, its a Yamaha built one, model 6G1-L-308585. pulled the plugs out and all around the threads is this milkly fluid. both cylinders test around 130 psi compression. how does water get in? motor seems to run pretty good.
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    Another 9.5hp Johnson question...

    got a 1973 9.5 Johnson that I replaced the points, condensers, spark plugs, needle and float. I took the carb apart and cleaned it, it wasn't dirty. it starts and runs good until you idle it down. It will idle a troll smooth for a minute or two then slow down on its own and either speed back up...
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    converting a remote to a tiller...

    how tough is it to convert a 1978 Johnson 35hp remote with electric start to a tiller?
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    what does the condenser do...?

    got a 1973 9.5 Johnson that started missing, pretty much at all speeds. I replaced the points. the coils will be next. what does the condensers do and how do you tell if their bad?
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    1973 9.5 Johnson misses...

    how many turns out from lightly seated is a good starting point on a 9.5 Johnson carb? besides a miss adjusted carb, what else would it to miss? there are no fuel/air leaks noticeable.
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    1977 johnson 35hp wiring question....

    got a 1977 Johnson 35hp with electric start. when I got it the wiring under the dash was a total rats nest, and the choke and gauges didn't work. decided to clean everything up and start fresh. the wiring harness from the motor has a red/purple, black, white, black/yelo, and purple/white wires...
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    1977 35hp Johnson exhaust under the hood.

    my neighbor got a 1977 35hp Johnson that had been sitting for 2 years. when I run it in a test tank, exhaust fills up under the hood and chokes the motor out. any ideas what might cause this?
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    sparks at the battery...

    got a 1999 125hp Merc 0G911197. when I go to reconnect the battery leads, I connect the ground first then the positive. when I touch the positive lead to the battery there is a weak spark. if I disconnect the plug from the control box it does not spark. I have tried a couple different control...
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    8hp yamaha misses at idle, carb is clean...

    my 1998 8hp Yamaha 2-stroke model 8MSHW starts and runs great except at idle speeds. it has a miss/shakes. spark looks good. carb is clean. what else could cause a rough idle but run great at other speeds? I'm about ready to pull the head and look inside...
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    1997 8hp yamaha with rough idle

    I got a 1997 8hp Yamaha 2-stroke model 8MSHW that I bought used.it starts on the first pull and runs great except when you try to idle it all the way down. then it "misses" and runs rough. I've gone through carb and made sure the fuel is good. tried two different fuels and tanks. could it be the...
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    1976 johnson 9.9hp running on one cylinder.

    got a 1976 Johnson 9.9hp model 10R76H. today I heard some snapping sound under the hood and saw a spark coming off the lower coil. I replaced the coil but now there is no spark at all on that cylinder. the top cylinder has spark. whats my next step?
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    push to choke not working...

    got a pontoon with a 1979 35hp Johnson 35EL79A. the push to choke at the dash doesn't work. thought it was the switch, replaced it with a new one did not help. tried a different set of controls and it works. After more looking found that the wiring from the dash is different than the wiring at...
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    cleaning rust from a gas tank

    anybody have any luck cleaning rust from a steel gas tank? an inexpensive way?
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    90hp Yamaha water pressure gauge

    just put a 1987 90hp Yamaha on my bass boat. the dash has a water pressure gauge that was connected to a merc. how do you connect it to a Yamaha?
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    1973 9-1/2hp Johnson lowboy question

    just got a 1973 9-1/2hp Johnson lowboy. she idle great with the hood off, but leave it on and it will cough and die out. it will fill will exhaust and choke out. is there a bad gasket or seal that would cause this?
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    1987 90hp Yamaha rich/lean question

    just got a 1987 90hp yammy on my Nitro today. she runs pretty good, but at idle seems alittle rough. the guy I got I from said he never liked the way it idled. I checked the plugs and they look fouled to me, like too rich. it ia oil injected so I'm thinking the carbs are set too rich. how many...
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