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  1. Scott06

    So, my 2025 Bayliner VR5 200 hp 4.5L mercruiser STILL barely pulls me up

    High five sucks in some cases. I tried it with same goal in mind was a waste of time vs the 4 blades (Rev4 and Vensura/Offshore). spun up fast but had wicked slip at higher rpm, basically got on plane and was nipping the top end right away, no balance between holeshot and cruising speed. Also...
  2. Scott06

    Mercruiser 5.0 no power to fuel pump when ignition ON

    It looks like you’re losing voltage through the key switch indoor helm if you only have nine votes volts at the coil I don’t think that’s enough for a thunderbolt ignition I would try to jumper 12 V two positive side of coil directly from the battery and see if you get a spark. If you do at...
  3. Scott06

    Merc 3.0 alpha one gen 2 water in bilge

    Put boat in water look in there with scope camera turn drive side to side and up and down While yes you likely won’t sink if water fills stern will be down and engine can get water in it and or ruin starter
  4. Scott06

    Powertech Red-3 & Red-4

    What did they say the RED are good for up high? If you havent talked to Ken at Prop Gods it might be worth a call as that is a name you hear a l;ot for these types of questions
  5. Scott06

    4.3 lt Mercriser Cranks But will not start on idle and will not idle.

    either fuel is not getting to fuel bowl or idle passages in carb are not clean. Either way when you dump gas down you are providing fuel until it burns off. When you advance the throttle you are coming off the idle to transition and main circuits that must be flowing fuel. My carb rebuilding...
  6. Scott06

    Merc 3.0 alpha one gen 2 water in bilge

    Oh chit I'm asleep at the wheel thanks
  7. Scott06

    Powertech Red-3 & Red-4

    never used the RED props but my brother has good results with I think this style PT prop on his Twin Vee Power Cat https://www.nettleprops.com/store/p/901-PowerTech-SWC-4Blade-Stainless-Propeller-Mercury.aspx is 4 blade and has what I would call a double cup- I think they call it hard wall...
  8. Scott06

    Merc 3.0 alpha one gen 2 water in bilge

    Find out what it is from first . As mentioned bad bellows be it shift or driveshaft can cause more damage like input shaft seal corrosion and resultant leaks and ujoint damage. Bellows can be tough to spot given turning and raising of drive can leak or not leak at various points. Could very...
  9. Scott06

    1998 Mercruiser 5.7 TBI Backfiring Under Load & Loss of Power

    Correct only way the valve adjustment can affect compression is if the rocker nut is too tight it keeps the valve off the seat. Have seen that many times, obviously backing it off helped but not completely ? Maybe valve is tuliped which changes the valve length making it longer. always best to...
  10. Scott06

    Cold engine despite running for a while. Water entering bilge

    The risers are always a little different depending on how the boat is leaning . 130 is cold for an engine thermostat is staying open
  11. Scott06

    1998 Mercruiser 5.7 TBI Backfiring Under Load & Loss of Power

    Verify valve adjustment on 6 is not too tight as that could cause valve to hang open .
  12. Scott06

    1969 Glasspar outdrive swap out

    as mentioned the drive will fit in as both of the inline engines will have same driveshaft length. I also run a set up with a lower (higher numerical) drive ratio. I just stepped up in pitch 2” to overcome the steeper gearing. would Slap it on and see where your wot rpm lands , then reprop from...
  13. Scott06

    2006 Mercruiser 5.0 2bbl Misfire/stumble once warm

    That may be but my 2003 build date engine ( in a 2004 boat) had a 3 wire sender
  14. Scott06

    2006 Mercruiser 5.0 2bbl Misfire/stumble once warm

    2006 will be 3 wire, but doesnt mean the sensor isnt bad. Agree with check fuel pressure. Would be interested to use a spark gap tester when cold and after sitting hot. Would also check to see if fuel is leaking into intake after shutdown and choke is fully opening. What do spark plugs and...
  15. Scott06

    temperature on Mercruiser 4.3 LX

    Yes that’s why I said you are fine Check out the exhaust temp close to the manifolds at the exhaust ports … that will be much hotter
  16. Scott06

    temperature on Mercruiser 4.3 LX

    you are fine then
  17. Scott06

    temperature on Mercruiser 4.3 LX

    you outline normal temps 65-70 C (is 148-158F) if has the exhaust cross over and is 80 c that is normal in my opinion. with the laser what is the thermostat housing ? I assume it is 65-70 C? sound like all is running well. when was last time water pump impeller was changed in drive? I'm not...
  18. Scott06

    Wont fire on plugs

    so everything checked out ok? you said you put new cap and rotor on is the button missing from cap to contact the rotor?
  19. Scott06

    Learning to wake board at 48. What am I doing wrong?

    you are in same boat i am. You can do it from back of boat I just found it much less exhausting to get up with the tower. Also I found I had to drive differently than towing a skiier, easing into the throttle more getting up then much much slower. If you get a smooth day outside the wake on a...
  20. Scott06

    So, my 2025 Bayliner VR5 200 hp 4.5L mercruiser STILL barely pulls me up

    Sorry - not higher pitch, I meant the prop design is different than what you are running. You would use a prop with more cupping in similar pitch to what you are running. Typically if switching from say 15" pitch basic aluminum like a black max prop, I would go down in pitch when switching to...
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