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  1. Scott Danforth

    2007 volvo penta 5.0 fuel injectors are not firing at all.

    Could be as simple as a deteriorated battery not spinning the motor fas about that the ecm knows you are trying to start it, a bad ground or blown fuse, as moderate as mice damaged wiring or it could be as catastrophic as a bad ecm Injectors run on a PWM signal by the ecm pulsing the ground...
  2. Scott Danforth

    PDF Service manual for 4.5L

    Seriously doubt the motor or drive will be wearing out. Most gasoline motors will go 5000 hours or more with proper maintenance, diesels will go 20000 Boat motors are normally killed by lack of maintenance The boat on the other hand.... Plastic bits last 10-15 years max Upholstery about the...
  3. Scott Danforth

    Repairing a crack in aTaylormade Fender Cushion

    bud of mine uses the standard bumper sleeves that his wife sewn together. takes the cheap $7 attwood bumpers. easier to store than the goofy taylor made cushion and about 1/5th the cost.
  4. Scott Danforth

    1989 Ranger 350V restore

    depends on the construction. the wood may be there only to be able to screw things to the top of the stringers.
  5. Scott Danforth

    Quicksilver 5W30 for all sterndrives

    Mercruiser doesnt warranty past 5 years. on the old GM based motors, I would keep up with 15W40 or 25W40 on the new Mercruiser designed motors they still are calling out for 25W40 https://www.mercurymarine.com/en/us/landing/oils-and-lubricants/ My guess there is a label issue and it should...
  6. Scott Danforth

    15W-40 oil is it multi purpose?

    I have been buying the 2.5 gallon jugs from Amazon. https://www.amazon.com/Shell-Rotella-Protection-2-5-Gallon-Single-Pack/dp/B01LH7KPUY/ $42 for 2.5 gallons
  7. Scott Danforth

    Do you make your own gaskets ?

    the price of the correct carb gasket set is usually less than the cost of a complete correct kit. I have made base gaskets and bowl gaskets in an emergency.
  8. Scott Danforth

    Bolt pattern for transom?

    motor pattern is now standard.
  9. Scott Danforth

    Volvo penta aq120 motor mount

    Not needed at all. redneck engineering fixes not needed. your boat is already 53 years old. it was designed to last 15
  10. Scott Danforth

    installing 12v to 120v inverter

    Explain what you mean by "backfeeding"? you mean putting AC in the outlet and then hoping to get lots of 12 volt juice out the other end? They do not work that way. Inverters only work one way. you put DC in on one end and you get AC out the other. As Ted mentioned, when you add an inverter...
  11. Scott Danforth

    New (old) hard top pontoon owner

    Take 4 pieces of 1/2" marine plywood and tite bond 3 glue No different than every transom replacement in the forums
  12. Scott Danforth

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    No, that is most likely a scam site Due to copyright laws, you can only get manuals from Mercruiser. Sites claiming manuals are usually phishing and scam sites Get the manual from http://publications.brunswick.com/
  13. Scott Danforth

    New Garmin 93 sv wire directly to battery?

    Follow the installation instructions. To the fuse block after the ignition switch
  14. Scott Danforth

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    If you can't set timing correctly, I suggest taking it to a qualified marine mechanic
  15. Scott Danforth

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    Only after you follow the manual and properly set timing
  16. Scott Danforth

    New (old) hard top pontoon owner

    The plywood transom is 100x stronger than a chunk of oak. that is why the OEMs used plywood Is the boat and the transom pod rated for more power?
  17. Scott Danforth

    Serial number

    If you bought the kit I linked to, it would have been delivered. However your 10mm double flare adapter would work just fine. you can also heat the end of the tube up and use a body hammer to roll the flare. however that takes a really long time.
  18. Scott Danforth

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    First, welcome aboard the fact that your motor is running rules out the ECM. The fact its backfiring means you are running lean or your timing is off. Not going above 3000 RPM could be you are running out of fuel or the motor doesnt know its in gear First, empty the contents of your...
  19. Scott Danforth

    1985 9.8 mercury fuel connections

    As stated, do not buy the cheaper Attwood one. they leak. Moeller appears to be better quality.
  20. Scott Danforth

    1985 9.8 mercury fuel connections

    here, let me google it for you https://www.google.com/search?client=firefox-b-1-d&q=mercury+bayonet+style+fuel+line
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