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  1. Mohabba

    low WOT

    My engine will only rev to 4200 with only 2/3 of throttle. It appears to run smooth and strong from idle to 4000-4100. If i go just above 2/3 of throttle, the engine will surge and bog, when pushing further it will bog and i will drop it to about 3500 to clear up then only reach 3800 with...
  2. Mohabba

    Jabsco toilet pumps + flushes same time

    I have a Jabsco toilet with electrical conversion. Toilet model #29090-2000 I replaced with heavier wiring and the motor really lived up (and screams like a zombie) My toilet both pumps and flushes either way i turn the nob. I cant fill the bowl with water without pumping it out at the same...
  3. Mohabba

    what spark plugs do i need?

    My supplier says according to my engine info my engine requires spark plugs should be 01RS12PYP Champion :eek:$$$$$ but he also says that i can use 01RS12YC Champion which are way less $. Could anyone please provide me with some insight to what i need? Merc. 350 Mag MPI FWC #0M616759 Model...
  4. Mohabba

    1/2 to full closed cooling

    I ended up with a Mercruiser 5.7 Mag MPI (0M616759) 300 hours with factory closed 1/2 cooling system. Manifolds not cooled, block only. Being 7 years old i suspect that the exhaust system will need replacement soon. When replacing exhaust i would prefer to include them in the closed cooling...
  5. Mohabba

    Cooling convertion + ECU

    I believe i have seen somewhere that Mercruiser specify a different ECU if a newer model 5.7 350 is fitted with complete closed cooling. Has anyone had experience in refitting later models 5.7 350 with complete closed cooling and ECU? Im considering a SJE cooling kit. Anyone who could direct...
  6. Mohabba

    Mercruiser 5.7 mpi vs. 7.4 mpi

    Im in the market for a Bayliner 2855/285. I see them listet earlier with 7.4 mpi and later 5.7 mpi. If maintained properly and with low hours, what engine would be prefered in terms of service and performance/fuel? The systems need to have complete closed cooling or to be refitted. What would...
  7. Mohabba

    Funny smell....

    Johnson 140 04 While cruising at 5000 rpm i smelled something burning. Turned off engine, removed cover and flames were coming out. Put out flames with water spray. now engine is dead. Any ideas what caused this? Thanks for comments
  8. Mohabba

    140 leaking oil

    I have a Johnson 4-stroke 140 03 The crankcase and wiring is covered with black oil film. I can see oil from under the flywheel and all the way down along the crankcase. Theres light black spraying under the hood around the crankcase. The cylinder head and wiring is clean. I allways check oil...
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