Logo
FULL SITE MENU

Recent content by dabuilderman

  1. D

    1973 mercury 850 carb adjustment

    Really ? Anyone ? Anyone ? Bueller ?
  2. D

    1973 mercury 850 carb adjustment

    I finally have most of the bugs out of this unit after it sat for a few years. Compression 115 on all 4 cyl. Now at fine tuning stage its running consistently decent in water. Not leaking any fuel after needle / seat replacement BUT not seeming to get full rpm's - running rich. Upper carb was...
  3. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    Rolling charger, even at 200A boost no go
  4. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    Starting to think maybe plugged exhaust manifold. So much pressure
  5. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    New starter installed. Problem is still the same.
  6. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    I just ordered a new 1 for $108. not bad. thanks !
  7. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    All armature tests passed, but large piece of magnet broken off. I am guessing this is not good.
  8. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    OK, so you are thinking weak starter ? thank-you RR
  9. D

    Mercury 850 ID problem

    Yes I am in Canada. From the colors it appears to be that era
  10. D

    Mid-seventies Mercury 850 won't turn over with plugs in

    Hi, this just got this unit after sitting for 2 years. The friend who owned it last says it ran perfect last time he had it out and he did nothing to modify timing, etc since then. It has decent compression (over 100 in all 4 cylinders) I first removed spark plugs, sprayed lube in cylinders...
  11. D

    Mercury 850 ID problem

    Hi, I have a mid-seventies Merc 850 but am having trouble identifying by serial number. It is 7017210. If anyone could help with reference it would be appreciated.
See more
Back
Top