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  1. Scott06

    Mercruiser 5.7 won’t make power

    Try a lower pitch prop. did you check total ignition advance ?
  2. Scott06

    Alpha one gen 1

    Gen one and gen two drives are not interchangeable, shift mechanism, bellhousing, and trim cylinders and mounting are differnent
  3. Scott06

    1980/90 mercruiser 3.0 140 hp /water in oil/ explosion sound💥

    This valve is stuck open as said remove the head. Take head to machine shop for valve job may need new guides and valves won’t know until you strip it down
  4. Scott06

    Volvo 4.3 Tinking Sound

    Not if the drive is off. If that video was shot with the drive off I would start with the drive belts on the front take them off run it a short time see if it goes away.
  5. Scott06

    Sea Rayder F16 Jet Boat

    If wear ring is culprit revs will shoot up but the boat wont go anywhere as impeller is slipping in the water stream vs pushing it through the pump . You didn't mention revs going up, if not likely the engine is the issue. Look up what the compression should be - I think it is 145 or so spec...
  6. Scott06

    Computer/Diagnostic/Starting Help Needed for 2000 Kawasaki 1100DI

    Cant help much with Kawaski specific trouble shooting but I bought this software package (runs on laptop) for my sea doo works very well. I think with the home model you are limited to 4 Vin numbers being logged in. Sam software as professional just limited on how many skis you can use it on...
  7. Scott06

    moving trim /tilt motor

    Yes but you need to disconnect the hoses drop them under the engine and reconnect on other side. Would also check you wiring harness can reach. I think unusually they get power off the starter positive lug. You certainly can modify the harness just a lot more work.
  8. Scott06

    3 or 4 blade prop for H190 SS.

    H190SS which I think is a relatively recent Four Winns model
  9. Scott06

    Gear ratio change/unknown oem prop

    Correct most of the 5.0's I've seen are 1.62 in which case the guy would only need to go to a 21" pitch form 19".
  10. Scott06

    3 or 4 blade prop for H190 SS.

    I believe on the MPI the WOT rpm range is 4600-5000. Are you saying you are just getting about 4700 or so at WOT lightly load? For the use you outline- loaded water sports I believe you would really like a 4 blade. I used Michigan Vortex 4 blades on my old boat , were relatively cheap being...
  11. Scott06

    Anyone Seen these?

    I might go for the cooled drink holders and ice machine...
  12. Scott06

    Surfing with Ski Boat

    Correct you need an inboard preferably V drive for surfing . You can how ever wake board towing behind a rope. here is a doc explaining the diff https://usedboatwarehouse.com/2017/02/outboard-inboard-inboardoutboard-io-engines-whats-difference/
  13. Scott06

    Surfing with Ski Boat

    Is that an inboard or I/O powered boat
  14. Scott06

    Can the base of engine work? Two to bolts under engine are rusted and can

    If it was clean and you let the adhesive tack up for a few minutes and it came off then the clamp must not have been on right. These are not OEM Merc bellows right? That could be part of the issue
  15. Scott06

    Can the base of engine work? Two to bolts under engine are rusted and can

    Did you use bellows adhesive on it ?
  16. Scott06

    1998 5.7 srartup

    Does the engine have decent compression, and no water in The oil? Would water test it before buying.
  17. Scott06

    Post for flame arrestor broke off!!!

    What carb do you have ? If its a mercarb this may work https://quadrajetparts.com/rochester-cleaner-repair-bracket-large-bore-p-500.html
  18. Scott06

    5.0 Mercruiser Problems

    Would think one of the valves made that mark when it opened.
  19. Scott06

    2004 4.3L Merc Alpha Starts But Stalls Out

    all good suggestions. One other note for the OP- you mention revving it up in neutral - this is a relatively meaningless test. It takes no power to rev up under zero load. Test on the water is the only true indication of health You said you changed plugs is the firing order correct ? Look at...
  20. Scott06

    Tilt pump question

    No trim pump works regardless of engine on or off direct wired to battery usually off the starter positive cable
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