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  1. Mac_55

    Distributor or Electronic ignition 90hp

    Finally got my hands on a numbers matching 90hp 3 cylinder, rebuilding it this month to take the place of my 70hp the question is, do i go with a distributor or newer chrysler/force ignition ?? Pros?? Cons??? Thanks
  2. Mac_55

    Racing lower unit

    Boat has been put away for the season, need something to work on. i like the look of the racing lower units but will never get one, also like neutral and reverse haha so question is ..... has anyone ever taken a two piece 70's 3 or 4 cylinder lower unit, cut and welded the exhaust port to look...
  3. Mac_55

    Powerpack bubbles......

    friend has a 1993 60hp Evinrude 3cycl on a nice fishing boat , idles great, at wot bogs down to 2500rpm uncloged the water **** tube in the back of the motor thinking it was a a safety loop for overheating, problem still there as of this morning, after pulling the powerpack off and...
  4. Mac_55

    High voltage/ Alarm

    1991 120hp Johnson took the boat out today for a run a solid alarm started the second the engine was running, tach was working fine lights and trim tilt worked fine everything was good except the voltage increased on the gauge the faster i went up to 15V until i used the trim then it would...
  5. Mac_55

    Chrysler lower gearing

    i have a couple lower units and im trying to figure out gear ratios for more speed 14' commet 1976ish 70hp chrysler, 2 blade brass or 13x21 2 piece 70hp 1 piece 75hp . and 2 piece 135 any taker on which would be a better ratio for more fun , swapin lower units is like tieing shoes at this...
  6. Mac_55

    Carb ID number

    hey everyone , picked up a set of carbs this weekend dont know size of motor they came off of but i do have the id #'s if someone could help me out , there twin carbs top carb TC-108B-921 bot carb TC-109B-921 both have 699061-1 im thinking there force , they came with black intake manifolds...
  7. Mac_55

    1983 140hp tach 5 wire?

    helping a friend, 1983 140 Johnson outboard, there are to many wires out of the tach need help 6 wires, also the pul/rev on the back what should it be on ? 2,3,4,5,6 there are 4 wires coming out of the tach blue (loose) purple (into control plug) black (into control plug) grey ( into control...
  8. Mac_55

    1972 trim/tilt Fail under movement

    Hello everyone i have looked at all the threads and bleeding the system was what i thought was the problem but the issue is... 3 piston set up 1 trim 1 tilt 3W motor trim and tilt works great in my driveway problem is when i use it in the water under anything more then an idle it will not...
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