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  1. lucky7's

    Mercruiser 6.2 mpi ignition trouble

    Guys need some help here as I am stumped. I have a 2002 Mercruiser 6.2 mpi serial #om300000. The problem is that I'm not getting 12v to the coil. I've tested the main power relay and its good. Also checked tach wiring and harness connectors. Whats next crank position sensor or ecm? Should I jump...
  2. lucky7's

    Seawater Pump Issues

    I have a 2002 Merc 6.2 mpi bravo that has the bronze housing seawater pump. Recently I have developed a water supply problem and it seems that the pump is not pumping enough water and also the suction is not as good as it used to be (when I flush the engine I have to give a little gas to get it...
  3. lucky7's

    gearlube monitor thru-hull fitting broke help!

    I have a 2002 merc 6.2 with a bravo one drive and my gearlube monitor thru- hull fitting is broken. I already have the drive and bell housing off but it looks impossible to get to from inside the boat. I can see it with a flash light and the only thing I could get to it with is a long...
  4. lucky7's

    Drive or engine noise

    I have a 2002 Merc 6.2 with a bravo 1 drive. Recently I have noticed a whining or zinging sounding noise from about 2500 rpm when I get on a plane all the way to WOT. I changed the gear lube about two months ago and it looked good(no metal or water). The drive turns easy just like it always has...
  5. lucky7's

    No start/// timing???

    I have a 2002 mercruiser 6.2 mpi. It seems the timing keeps messing up. I did a head job about a month ago because i burned up some intake valves on the starboard side because the intake manifold gasket on that side failed. Have it fixed and it ran great for about 10 hours of use.. Now it wont...
  6. lucky7's

    2002 mercruiser firing problem??

    I have a 2002 mercruiser 6.2 mpi. It seems the timing keeps messing up. I did a head job about a month ago because i burned up some intake valves on the starboard side because the intake manifold gasket on that side failed. Have it fixed and it ran great for about 10 hours of use.. Now it...
  7. lucky7's

    Manual

    Does anyone have a copy of the pdf file for service manual 28 for bravo drives. Thx.....
  8. lucky7's

    Point gap specs

    Does anyone know the point gap specs for a 1973 mercury 7.5 hp?
  9. lucky7's

    Timing Problems

    I have a 2002 Mercrusier 6.2 mpi. I had to pull one of the heads off to have the valves worked(burned two intake valves) and put the thing back together and i think im having problems getting the timing right. I used scribe marks when i pulled the distributer out and did not rotate the engine...
  10. lucky7's

    Where are the timing marks

    I have a 2002 mercruiser 6.2 mpi. Where are the timing marks ??? There are no marks like they show in the service manual. I found the slot on the balancer pulley but I cant find the timing tab or any marks for 0 degrees tdc...etc... I need to get the thing lined up on no 1 tdc...
  11. lucky7's

    Fuel pressure bouncing????

    I have a 2002 Mercruiser 6.2mpi. I have been trying to solve some engine problems for some time now in like 2 other dead threads.... I have a fuel pressure gauge hooked up to the fuel rail. I turn the key over to let it prime and the gauge goes up to around 43 psi and holds then drops to...
  12. lucky7's

    6.2 rough idle, not running right

    Have a 2002 mercruiser 6.2 mpi. Ran all day fine, on the way back to the boat ramp experienced a lack of power. Pulled out spark plugs and cylinder 1 and 3 the electrodes were melted. Put new plugs in it, checked and cleaned distributor cap, rotor, iac, and took it out for a test run. Seemed...
  13. lucky7's

    Help! rough idle and spark plug detonation

    I have a 2002 mercruiser 6.2 mpi with 700 hrs. and have some problems.. Motor runs rough at idle and smooths out about 1500-200o rpm but it gets worse the hotter it gets. Pulled out all spark plugs and cylinders 1 and 3, the spark plugs were gone i mean the electrode was gone. All other plugs...
  14. lucky7's

    misfiring/running rough

    I have a 2002 mercrusier 6.2 mpi. Was out running about 4500 rpms and heard some poping and clinging noises all of a sudden in the engine compartment. Then i notice a loss of power. I brought it down to idle and it would barely run and it was misfiring. No audio warning alarm went off or...
  15. lucky7's

    Tired of reading about perfect seal!!

    Ok Im replacing my exhaust riser gaskets. I am just cleaning surfaces and replacing gaskets. Surfaces are in pretty good condition and risers and manifolds are good. I have a 2002 Mercruiser 6.2 MPI raw water cooled engine. I already have a can of perfect seal. Should I use this on the riser...
  16. lucky7's

    Water circulation problem

    I have a 2002 Mercrusier 6.2 mpi raw water cooled engine. Recently I have developed a problem. I noticed the temperature gauge fluctuating from 160 to 190 up and down constantly while running at speed on a plane. However it does not overheat at any rpm (WOT or idle). The temp does not fluctuate...
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