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    2004 Mercury efi idle issue

    Last trip out fouled a plug/plugs. Back at home did compression test all good, ohm all coils and they were within specs, replaced plugs, replaced spin on fuel filter. Took it out today and ran great but won’t idle when you start it up after sitting for 30 minutes or so. When you run it down the...
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    Pitch problem?

    Just re powered with a 98 johnson 150 and 6" jackplate. Have the prop shaft 4" below the pad. Have a 14.5 x 21 prop on now. I'm running 43 mph at 5200 rpm. What should I do? I'm thinking 26 pitch prop. What about a 4 blade?
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    1998 Fast Strike fuel/carb issue

    bought a 1998 Johnson 150 that had been sitting for about 8 years. Checked compression and it was 100 psi for all 6. Changed impeller. Mixed up some gas, seafoam and double oil. it cranked up but wouldn't stay running. it would crank every time but would only run for about 10 seconds. I pulled...
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    Wiring 1983 to 1998

    Blew my 1983 90hp Evinrude and purchased a 1998 Johnson 150hp. I have the 150 rigged and ready to go except wiring. My old control cables seem to work but I'm not sure about the wiring. Some of the wires match up but some don't. Two that I have questions about are the choke from the 83...
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    Compression

    #1 is 120psi #2 is 120 psi #3 is 35 psi #4 is 115 psi On a 1983 90 hp Evinrude What are my options?
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    to hydrofoil or not to hydrofoil

    Heres my stats. 17' Ranger 330V with 90hp Evinrude prop 13x19 SS 40 mph @5300 rpm WOT (this is without the hydrofoil) 38 mph @5100 rpm WOT (this is with the hydrofoil) Without the hydro it takes about 8 seconds to get on plane with the hydro it takes about 3 seconds. Would a prop change...
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    1983 EVINRUDE HARD TO START

    Need some help on my 1983 90 HP Evinrude. I just rebuilt the carbs but the engine is hard to start the first time. Once I get it started it starts with just the bump of the key the rest of the day. Any ideas? I have had many evinrudes and mercurys over the years from 9.9 hp to 150 hp and have...
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