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  1. jimmbo

    Hole shot, Mercruiser 4.3L

    You forgot to mention the Engineering that went into them too
  2. jimmbo

    35 Johnson overheating

    Perhaps the Water Pump Housing and Plate are worn and need replacement. Was the old Impeller intact, or were pieces broken off? Are the Water Inlets on the Gearcase clear of Debris?
  3. jimmbo

    Can't identify model?

  4. jimmbo

    Mercury 2 stroke 60 hp 1994..timing

    So the hub was left on the Crank, and the 8 bolts that held the Flexplate to the Hub had been undone?
  5. jimmbo

    Mercury 2 stroke 60 hp 1994..timing

    You need the Factory Service Manual, it will have the Link and Sync process. Flywheel was off engine? Was the Flywheel and Hub off, or did someone just undo the 8 bolts that holds the Flex Plate to the Hub, leaving the hub on the crank shaft?
  6. jimmbo

    Mercury 2 stroke 60 hp 1994..timing

    If the timing is off, then someone has been messing around with the engine. There is no Idle Timing Spec.
  7. jimmbo

    Mercury 2 stroke 60 hp 1994..timing

    Before you go tearing things apart, verify that you got the TDC correct.
  8. jimmbo

    Mercury 2 stroke 60 hp 1994..timing

    Can the Pointer be moved?
  9. jimmbo

    Can't identify model?

    Bayliner Discovery perhaps
  10. jimmbo

    BRP reveals a new style of outboard, Rotax powered, horizontal crankshaft....

    Their SeaDoos have been known to inhale water, and they usually survive
  11. jimmbo

    Roller To Bunk Conversion

    I've Rollers and Bunks. I prefer Rollers, and Lots of them. I would reconfigure my Roller Trailers(EZLoader) to have as many Rollers I as could be put on, especially at the Stern and under the Engine, utilizing additional Hardware from EZLoader. With those Trailers, I only needed to get the...
  12. jimmbo

    Roller To Bunk Conversion

    1) Depends on what kind of Hardware supports the Bunks. On my trailer, I added some supports to beef up the bunks, as these weren't on the Spring Axle versions. Any unsupported Bunk in a location where there is substantial Weight, is really not doing anything, as the wood will bend. Extending...
  13. jimmbo

    What’s this parts name and number?

    I don't think the Plates on the Big Twin gearcases had a Screen, just a few 1/8" Holes
  14. jimmbo

    Carburetor Issues, Dripping Carbs...

    They were often a PIA to do, with the Engine running.
  15. jimmbo

    Problem with Volvo penta 5.7 power

    Some Punctuation please, instead of One Long run-on Sentence... "...and rotor checked in tank..." ???
  16. jimmbo

    Tilt and trim problems

    There might be some damaged Wires in the Control Lever/Box. However, if the Pump is operating, but there is no movement of the Outdrive, that sounds like a Problem with the Hydraulics.
  17. jimmbo

    Carburetor Issues, Dripping Carbs...

    Sometimes, it was done, to compensate for High/Low Fuel Pressure, in some cases because the Wrong Float was used(There are several Hundred different Floats for the Q-jet alone), other times because of a different Needle and Seat. Holley had an innovative way to set some floats, an externally...
  18. jimmbo

    What’s this parts name and number?

    Mercury: Serial # OMC: Model #
  19. jimmbo

    What’s this parts name and number?

    Since you didn't give a Year, I used a 1966 40hp as the Reference Part #0310004 Plate
  20. jimmbo

    Whats wrong with my boat?

    When you run an outboard or an I/O in Reverse, exhaust gas gets into the Prop Blades and unloads them, allowing the engine to rev up. You likely have Gum and Varnish in the Fuel Circuits. You could just close the choke, that will pull excessive fuel through the Main Nozzles if the RPM are above...
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