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  1. S

    2000 alpha v8 no power on purple wire cranking

    Not my boat. 12volts key on. 0 cranking. Fires up hot wiring purple. Any likely culprits?
  2. S

    Yamaha starter disengaging

    2001 OX 225 txrz. Starter spins fine when cold. When hot, the starter kicks out before engine starts. Slightest little pop of combustion and out it comes.
  3. S

    ignition timing 502 mpi 0l352976

    Jumped the A&B terminals and the rpm's started surging along with the timing mark. Merc tech support says I need to raise the RPM's to 1800 then set it. My manual makes no mention of this, Does this sound correct ?
  4. S

    Engine on pallet

    Looking for info on what cannon plug pins to jumper to get my engine to run on the floor. 1999 MPI with a 10 pin.
  5. S

    thinking about ditching the MPI

    Recently smoked my MEFI-3 ECm. and also broke an injector Well come to find out, these things are quite rare, and the price tag reflects that. So instead of shelling out 3k for rebuilt stuff, was thinking carb. Who has a manifold for a raw water cooled gen 6, rectangle port with brass inserts...
  6. S

    Airtex E11004

    Anyone install one of these and had good luck with it ? I know they're poo poo'd over at OSO.
  7. S

    Yamaha winky/blinky for ox66

    Anyone know a source for this tool. 06765. Seems to be obsolete with my search
  8. S

    Rust in thermostat

    Raw water cooled 502 that keeps getting rust stuck in t-stat preventing it to come up to temp. ​Has happened a couple of times. Looking for a quick fix to get the engine temp up enough to flush the rust out. ​Pain in the butt to pull t-stat and clear it.. ​Suggestions welcomed. Thanks
  9. S

    occasional hard start 502 mpi

    Got this boat in July. Most every time in the beginning it wouldn't start after shutdown unless I advanced the throttle. The more I used the boat the more infrequent this issue became. Used the boat for 2 months and 30 hours after this and it didn't do it at all. ​So now the problem has...
  10. S

    502 mpi !AC replacement

    Anyone know what auto iac will replace mine ? 0L352976. MEFI 3 merc # 805224A1
  11. S

    Fogging a MPI 502

    This engine will be laid up for at least 6 months. Although a no/no about using fogging oil thru the throttle body, has anyone done it ? Don't understand how some oil will ruin my sensors. I would feel better getting fogging oil through the valves. That cocktail mix of 2 stroke oil that merc...
  12. S

    502 stainless manifolds and risors

    Is there such a product ?
  13. S

    1999 B1 yoke play

    What might I need to do to tighten this up
  14. S

    New boat with drive issue

    Just bought a 1999 powerquest with a 502 and B1 drive. ​Sight unseen CR deal. Anyways, motor runs but develops a knock, which sounds like a rod, after a couple of minutes. Pull B1 off, knock is gone. PO just changed the drive fluid which looks perfect, of course. Spinning the drive shaft sound...
  15. S

    B3 lower shift cable

    Anyone know what the measurement is on the motor shift bracket for a new lower shift cable ? Manual says to use a special tool and they don't mention a measurement. Got a hot buyer and don't have time to buy one. I want to say 7". Got to get these drives back on and shifting. Thanks.
  16. S

    2006 B3 large prop shaft seal

    Just removed my props for the season and had a bunch of fishing line that damaged the white plastic part of the seal. No water in oil. ​Is it possible to R&R this seal with the slide hammer technique like an outboard ?
  17. S

    Bravo 3 oil

    Anyone have better luck with a different oil other than Merc hi-performance. My oil will be black at a100 hours/1 year. I drive it moderately and have drive showers which did help a bit. Mercruiser suggested pulling the boat and changing at 50 hours, which would be a real PITA. Not sure why...
  18. S

    B3 delayed shift

    2006 drive with 600 hours. Recently started to get a delayed shift in forward maybe 1 or 2 seconds. Not sure if I should tear into it this winter or wait until it gets worst. HiPo merc fluid is always very dark after a 100 hours. Other drive is fine with same dark oil.​Assuming it's the clutch...
  19. S

    rattle 200 1994 yamaha 2 stroke

    Just changed out the water pump. The metal collar and plastic sleeve that house the wave washer seemed to be pressed on, as in very difficult to get off. After reassembly I could not get that tight fit again and the lower unit rattles in a big way. What would be proper procedure to eliminate up...
  20. S

    This site really XXXXX runs slow (title edited)

    Slooooowly this site moves along. boooooreing EDIT - Title edited to what is permissible to say.
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