Recent content by jumpin johnny

  1. J

    Idle / Fuel mixture screw

    75 20HP merc rebuilt carb, top end runs great! but i cant get a smooth idle. How sensitive should the Fuel mixture screw be?
  2. J

    Idle / Fuel mixture screw

    75 20HP merc rebuilt carb, top end runs great! but i cant get a smooth idle. How sensitive should the Fuel mixture screw be?
  3. J

    Eye-Eye, instead of posting a Reply I start a new thread ?

    I think i get it, do you have any suggestions for my rough idling problems
  4. J

    Why dont threads go back to the top when awnsered it seams you get lost in the shuffl

    How do i prevent this ?
  5. J

    Merc 20 HP idles rough

    rebuilt carb thru other threads thank you all, but i cant seem to smooth it out running at idle. any ideas ???
  6. J

    75 20Hp merc Idles rough any thoughts?

    Sea trials today for the old feller, Rebuilt carb through other threads. She seems to idle pretty rough, cant get much response from idle mixture screw. Before i rebuilt carb i checked setting it was approx 1/2 turn out. is that any where close?
  7. J

    mid 80s 20 hp merc -wont throttle up

    just picked up this unit at a g-sale, it started right up and idles like a champ. thought i made a good deal for 100 bucks. But when i put it to test on the boat it dies when i throttle up. i put the unit in a bucket to check it out and noticed a slight pop when idling down (from the exhaust)...
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