Search results

  1. C

    Ignition conversion to electronic

    GM 4 CYL. 140hp Boat runs like the scalded dog on points, but when I install the module, I lose ignition. Black to negative side of coil, red to positive...
  2. C

    Not charging 350 Merc

    BIL can use some help on this one. Last year, batteries dead from electronics left on. After charging batteries, no output from alternator. Shop says fusible link bad. Replaces. All is well. This year batteries dead from electronics left on. Jump started from stand alone battery. Engine...
  3. C

    120-140 engine swap. Power not quite right.

    All parts from old block to new(used) block except distributor and carburetor. New block sat unused for several years. Idle good. Can not get full power. Feels as if the engine is starving for gas. Occasionally get a 3 to 4 second burst of full power then back to the "starving" issue. Gas is...
  4. C

    lower driveshaft upper seal

    First, thanks for the forum! Trying to absorb so much information. Outdrive #3845109 on a '74 IO. Attempting to find the part # for the upper seal. Not having luck with part #26-32511. The shaft is 7/8". Am I on the right track? ed
  5. C

    85 Mercruiser carburator choke question

    Swapped '74 120hp Mercruiser for '85 140hp. Carb on '85 has purple wire to choke which is absent on the '74. Wiring harness from '74 is now on '85, but choke wire still present. Question. What/where should the purple wire attatch?
  6. C

    Mercruiser flywheel removal help

    Hello, quite a forum you guys have here! Attempted search, but not too bright on computers. How can this flywheel be removed? This is an '85 140HP Mercruiser. Also will need to reassemble. Thanks in advance, ed
  7. C

    Mercruiser, 120 water in oil

    Can someone help? Have water in engine oil. Have replaced head gasket. Is there someplace else I should look?
  8. C

    Merc shift cable nut

    Need to replace shift bellows on '75 120 I/O. Everything going fine until cable nut removal. Nut on foreward side of outdrive "pivot". How do I get a grasp on nut? Thanks in advance for any help. cedgo
  9. C

    prop exasperation, need advice

    Wow! Heck of a forum. Here's the problem...Brother-in-law has purchased used pontoon (24' Playbouy) with 75 hp Mercury engine. Came with a battered 19 pitch aluminum prop. Replaced with new 19 pitch aluminum and can't get engine to push boat at WOT. Engine has plenty of power and runs fine, but...
Top