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  1. J

    Remote starter switch

    How do I hook this up to my 1991 70 hp Johnson, I want to check spark I am working by myself and want to stand at the engine???
  2. J

    70 hp rpm loss

    While ot today my 1991 70 Johnson suddenly lost rpm 5000 down to 2500. I tried to restart several time no luck. I unplugged the temp sensor,no change. While limping back to the ramp it took off back to full rpm then slowed again. Pulled pluggs all were black and oily looking.<br />All power...
  3. J

    Prop 1991 70 Johnson

    I have a 13.25 X 18 rapture on my boat it will turn @ 6000 rpm with a lite load. I dinged it good today, I used the prop finder on Iboats and located another rapture for 143.00(closeout) It is a 13.25 X 19 how much difference will this make and are the props ready to run? Hub?
  4. J

    Prop 1991 70 Johnson

    I have a 13.25 X 18 rapture on my boat it will turn @ 6000 rpm with a lite load. I dinged it good today, I used the prop finder on Iboats and located another rapture for 143.00(closeout) It is a 13.25 X 19 how much difference will this make and are the props ready to run? Hub?
  5. J

    1991 70 Johnny S.LO.W. again

    This has been an intermittant problem for a while now.<br />1. replaced powerpack and coils this cured problem for many outings, wires were brittle on back of pack<br /><br />2. replaced impeller and t-stats and relief spring<br /><br />3. did a good link and sync. carb rebuilt last winter<br...
  6. J

    Battery Charging ???

    I just installed a new powerpack and 3 coils on my 1991 70 hp Johnson It was going in to slow mode some time. I ran boat it ran great no more SLOW, But battery is barely charging according to the gauge.<br /><br />1.Can I trust the gauge?<br />2. How can I test to see if the battery is charging...
  7. J

    I am Dumb!!!!!!

    Yesterday I changed the powerpack and coils on my 91 70 hp. Today I put it on the muffs and it would not start? Put the old Powerpack back on still won't start went to get the wife so she could turn the key and I could check for spark. She turned the key nothing!!!!! While telling her to stop...
  8. J

    Temp. sensor removal???

    How do you remove the temp sensor from a 1991 Johnson 70 hp?? I disconnected the tan and blue wire and removed the outer cover does the sensor slide out or do you have to take the head off. It seemed to have some rust aroud the sensor I pulled the wire GENTLY but the sensor did not Budge?? I...
  9. J

    OEM parts or Sierra

    I need a new powerpack for a 1991 70 hp Johnson, are the OEM part worth the extra money about $30.00 just for the pack was going to replace coils also. Thanks
  10. J

    Lower unit oil fill gasket???

    I have a 1991 John 70 hp J7dtleie motor the dealer sold me gasket part #0311598 washer. When I removed the fill and drain plugs there were no plastic washers just a rubber o ring seated on the screws. Does this motor use the plastic or rubber o ring??? The screws do not fit flush with the...
  11. J

    91 70 hp Johnson SLOW

    While running today engine went in to slow VRO has been removed, I pulled hood temp on engine was ok could touch head for about 10 seconds before heat was to much. I unplugged the tan and blu wire coming from the temp sensor and slow went away after returning to ramp plugged wire in and slow...
  12. J

    trim sender or Gauge

    My trim gauge quit working on a 1991 70 hp Johnson. I am going to try and find my manuel (recently moved) is there any way to tell which one needs repairing???
  13. J

    Water Fuel Seperator Filter

    I want to put one on my 1991 70 hp Johnny Small Bass Boat I get some water over the back occassionally. Does any body have any preference as to what will work the best??????
  14. J

    91 70 hp issues

    Motor runs fine wot @6000 Starts pretty good have to give it just a little throttle and prime it. Everytime recently after fishing and running back to the ramp it won,t idle very good at all pushing primer does seem to help.<br />Came home to deep creep the carbs notice the airbox gasket has...
  15. J

    crazy Idle

    1991 70 hp Johnson The last two times I have used to boat it starts and runs great idles great, but after a 4-5 mile run back to the ramp it doesn't want to idle, rpms only like 650 usually aroung 850. These rpms are with it in gear. Recently ran some OMC engine tuner and changed plugs champions...
  16. J

    omc trolling motor dead

    Went to the lake to day and my troller would not work battery fully charged I bought a meter this afternoon going to see where the voltage stops tommorrow after the santa show I noticed a small swith in the footcontroll maybe out or bad plug end any other ideas????
  17. J

    How long should a carb rebuild Last??

    I have a 1991 Johnson 70 hp rebuilt carbs in january due to no idle and boat sat about 8 months. I use the boat at least twice a week and always run Sta-bil in fuel and run pennzoil oil. Vro has been remaved. Since the weather has cooled off ,having trouble with it ideling going to run some omc...
  18. J

    Eagle 320 FF

    Has anyone used one of these I need some imput before buying, good resolution and low price ???
  19. J

    omc cobra trolling motor

    I have a omc cobra trolling motor model #OBF2A. What is the thrust of this motor. Foot controlled 3 speeds. Thanks Jay
  20. J

    omc cobra trolling motor

    I have a omc cobra trolling motor model #OBF2A. What is the thrust of this motor. Foot controlled 3 speeds. Thanks Jay
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