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  1. alldodge

    Mercarb 2BBL accelerator pump check ball

    The check ball also stops the motor from sucking fuel out of the carb bowl when running
  2. alldodge

    Mercarb 2BBL accelerator pump check ball

    TanFS I know itrs not the Merc carb its the 2GC and is just there to see how one carb uses the check ball. With yours when the pump is moves down the check ball is under a spring and that keeps the pump from sucking air. Note the slot in the pump cylinder. This is where the pump gets fuel
  3. alldodge

    Mercarb 2BBL accelerator pump check ball

    The check ball is used in the accelerator pump circuit. It allows fuel to be sucked in, because without it the pump would be pushing fuel back n forth with no pressure. The gif below is for the 2GC and note how if works
  4. alldodge

    Mercruiser 5.0

    I would buy this one https://www.ebay.com/itm/Mercury-8M0058164-PUMP-ASSY-FUEL-/203541428338?_trksid=p2349526.m4383.l4275.c10#viTabs_0
  5. alldodge

    Mercruiser 5.0

    The fuel pressure might be to high. Anything above 6 psi can cause the issue. Being a 1989 you should have 2 gaskets and one plate between pump and block. The thick gasket and plate reduces the stroke, and thereby reducing the pressure the pump puts out...
  6. alldodge

    Mercruiser 5.0

    My opinion Sierra quality control is not the best. They build stuff in most cases like the OEM but not always exactly like the OEM. The stuff that won't meet OEM requirements are sold to aftermarket
  7. alldodge

    Mercruiser 5.0

    Sierra will work, not a fan but they work
  8. alldodge

    Mercruiser 5.0

    Yes you pump has ruptured the internal diaphragm. The vent tells you the diaphragm has reptured
  9. alldodge

    4.3L IGNITION TIMING

    Yes, your right I'm wrong, It uses 12V to make it stumble miss
  10. alldodge

    Mercruiser '85 inline 4 120HP - Manual Steering Maintenance?

    In most cases nothing is needed, but spray lube is normally good
  11. alldodge

    Engine dumping fuel

    GSI, thing TBI While the pump should not stay ON with the key ON, and this could be the ECM or a short on the ground side of the relay Even with the pump staying ON, the injectors should not be spraying fuel. This could be the ECM or bad injectors How long have you had the boat and is this a...
  12. alldodge

    4.3L IGNITION TIMING

    EDIT: Woops my bad, wrong ignition it does go to ground
  13. alldodge

    Volvo Penta 3.0 GL WPS SLX 18 135 HP Replacement

    The 3.0 is a industrial motor. Can install a truck motor but this would require to make new motor mounts. Could use a V6 or V8 but should not use any of the carb or electrical components like alternator, starter, distributor because they are not ignition protected
  14. alldodge

    1992 Mercruiser 3.0 acceleration issue

    Several have replaced points with Pertronix and many have had trouble afterwards. Check to see if your coil is getting hot. Look at your plugs to see if their fouling out.
  15. alldodge

    Mercruiser 3.0 starting problem.

    Yep, switch
  16. alldodge

    Mercruiser 3.0 starting problem.

    Keep the voltmeter on the purple wire at the key switch purple wire. Crank the motor to see if you loose 12V. If you do its the key switch
  17. alldodge

    Mercruiser 3.0 starting problem.

    EDIT maybe, what is the motor serial number?
  18. alldodge

    Mercruiser 3.0 starting problem.

    Its could be the key switch. Check for 12V at the key switch purple wire with key ON. If its there and not at the coil then check the kill switch
  19. alldodge

    eliminating steering play

    Cable steering play will always be there but not that much. Most often there is 2 to 3 inches as measure on the outside of the helm. There is slight bit of play inside the helm gear box and the tiller arm and cable. Turn the helm and have someone else look at the tiller arm going to the out...
  20. alldodge

    RPM Gauges

    About any of them will work. Tach's have settings on the back of the gauge to set for how many cylinders the motor has. The sync gauge also uses the Tach signal. I would start by determining who made the current gauges and see if they still make them, unless you want a different type then...
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