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    '81 70hp water flow ?

    Hi to all, Replaced water pump and stat on '81 70hp Johnson. Test run it and when engine started pee ing fine would run it wot for a while then when I shut down and was idling no pee ing?? I still had water spitting/coming out of exhaust and I felt the engine and it didn't feel hot. I then shut...
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    sensor removal

    I feel this may be a silly question but is the rubber gromet the only thing holding the sensor in the well? I tried to dig slightly on the rubber already but didn't want to destroy it. I also didn't want to just yank the wire coming out of it. Figured I would ask first. I have the oem but the...
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    Right part? Thermostat #'s

    Hi to all, 1981 johnson 70hp, mod#J70ELCIM; ser#J5479196 Replaced water pump then went into stat area. Oem manual calls for a p/n382385 but dealer says it's superceded with a p/n396987. I bought the unopened pack with the stat p/n396987, opened it and the actual stat has a p/n397056 printed...
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    Thermostat & relief valves? '81 70hp jonnson

    Well replaced the water pump and have a few questions but will go to a local omc dealer as they would be too hard to describe here. But since I did the water pump of course I wanted to go into the thermostat well and found it very corroded. 1. There were 2 relief valves, what are they for...
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    '81 70hp l/u bolts ?

    Hi to all, Just removed a l/u on 48 spl, a breeze, unit just dropped out after removing the bolts. Which brings me to my ? '89 48 spl had 5 bolts (4 short and 1 long ss bolts) How many does a '81 model 70 hp Johnson? I've removed the 5 ss bolts that were exposed but unit is still...
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    Blown water pump impella?

    Tried to run motor on muffs. When I started it I had the throttle too high and motor reved real high and I then shut it off, water was running. I tried to start it again and I did not pee. Could I have ruined it? Or perhaps it was going out anyway, not sure how old it was. Another thing does...
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    mk bow mount bracket adapt to mg

    Hi to all, I have a mk at40 bow mount that went under during K, I aquired a mg without a bow mount bracket. I want to install the mg into the bow mount bracket. The problem is that the mg shaft dia. is 1" and the mk is 1 1/8" can an adapter be bought from mk or do I need to look into making...
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    Info. on two ob topics

    Hi to all, First went to start my '81 70hp John and when I turned the key NOTHING. Check bat, ok ptt up and down ok. Bat. power to start solinoid ok. I unhooked the large red plug under engine cover than repluged, motor started. Apparent slightly loose conn. Is there any way to tighten the...
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    MinnKota AT 40

    My bow mount at 40 went underwater during K. I dissembled it and cleaned it out. Switch is bad and need new brush holder and brushes. I do not have the address of MinnKota and wasn't able to find it. Does anyone here know what the address is? Thanks Beck
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    Tach setting for '81 70hp Johnson (poles)

    Test ran 70 hp Johnson with the muffs. Well the kill switch works, I forgot to hook it up and it would not start. When I installed the lanyard it started right up. A few questions. What pole setting for a '81 70 hp Johnson? Also idle seems to be a little high. What is the best way to lower it...
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    omc control switch wiring

    Hi to all, I had 2 omc controls, a 1981 control w/o a kill switch which was not flooded and a 1989 control with a kill sw which was flooded. I was told that either would work with the 1981 70 johnson I recently installed on my Tims flat. I wanted to use the control housing with the kill sw...
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    switch wiring in omc control

    Hi to all, I had 2 omc controls, a 1981 control w/o a kill switch which was not flooded and a 1989 control with a kill sw which was flooded. I was told that either would work with the 1981 70 johnson I recently installed on my Tims flat. I wanted to use the control housing with the kill sw...
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    shift/throttle control unit ?

    Hi to all, Just dissembled my first control (I've cracked one open once but put it back together for fear of parts flying out) . Anyway while dissembling it and trying to get the 2 cables out one of the little black keepers (small barrel looking with cable running thru it) on one of the cables...
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    Katrina flooded boat, motor, home ???

    Hi to all, Had 48 spl, now siezed. Mod# j48eslc e/l ? r (1989) Just bought (1981) 70 hp Mod# j70elc1m I just swapped engines and have a few questions. 48 has red male plug from engine with 7 pins (6 small, 1 large) 70 hp has 8 pins (6 small, 2 large) Can I use the control from the...
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    Trailer toung length?

    Hi to all, I have a galv. boat trailer with a 16' flatboat on it. The hitch coupling is on a 7' long by 3" (acutally must be slightly smaller that 3") because it is inserted inside another 3" square tube which runs to the actual trailer chassie. The end with the coupler seems a little...
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    early 80's 70 hp Johnson opinions

    Hi to all, I lost my 48 spl to Katrina along with my home. My x neighbor's son aquired a boat and motor from his uncle two doors down. I am familiar with the boat and motor as they used to be neighbors. Anyway I think the fiberglass boat sorta floated around rather than sinking. My all. flat...
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    Hammond, LA Saltwater? or Freshwater?

    Hi to all, Recently relocated to Hammond, LA due to Katrina flooding Chalmette residence. Flood waters sunk my boat and destroyed my motor. I had just got it installed on recently purchased Tims flatboat. Anyway I am in the market for a new ob around a 70 hp. and when I get it I will be...
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