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  1. Scott Danforth

    Mercruiser 4.3 Start Problem - Intermitent Crank, Gages Go Crazy, Starts, Stalls

    you have a bad connection and are loosing power or ground start at the battery, clean every electrical connection to the motor, then up to the helm. by clean, use either a wire brush in a die grinder or 150 grit sand paper and clean the terminals and the posts until they are shiny enough your...
  2. Scott Danforth

    Fresh air to carb issue?

    get a new mechanic
  3. Scott Danforth

    Need help on changing every wire on my sterdrive engine

    you actually bought a boat with a mercrusier 470? your wiring is the least of your problems
  4. Scott Danforth

    Need to know about the 1980 Volvo AQ145A Engine

    Its a 42 year old boat designed to last 15 years. consider it a project somewhat. however they have their issues. Not if properly maintained many are NLA. goes back the 42 year old boat that is a lot of money for a 42 year old boat with a motor that has many parts no longer available its...
  5. Scott Danforth

    Engine hour meter and depth finder

    many low-end boat manufactures have gone away from hour meters because people were upset that their boat with only 50 hours in 5 years is no longer under warranty. as dingbat stated, do the annual maintenance regarding depth finder. iBoats has various 2" gauge versions in the mega mall side.
  6. Scott Danforth

    Transducer question

    my bud used a 1.5 x 1.5 aluminum tube with 3/16 wall and a 1 x 1 aluminum tube with 3/16 wall. the outer tube had a mounting flange welded to it so he could bolt to the aft fence the inner tube had the transducer mounting plate welded to it, and a stop at the top. the inner tube had a hole...
  7. Scott Danforth

    Remove Deck carpet to fiberglass

    there is always 40 grit and a DA. its what I used to strip the gel coat down to the fiberglass to re-apply gel
  8. Scott Danforth

    New starter solenoid kills everything.

    Test first, dont simply waste money and throw parts at it
  9. Scott Danforth

    Question on motor size

    3-4 rpm will be hard. Cranking speed it 200-300 rpm, idle is 650 rpm
  10. Scott Danforth

    New starter solenoid kills everything.

    Every connection from the battery to the block and starter? Usually its the ground. Did you use a wire brush in a die grinder, or 150 grit?
  11. Scott Danforth

    Transducer question

    Made himself. Two pieces of aluminum tube, some aluminum plate and some time in the shop
  12. Scott Danforth

    Starter issues

    Going to go with either wired wrong or starter is junk
  13. Scott Danforth

    Bottom paint

    Sand down to bare fiberglass, 2 coats of barrior paint, 3 coats of bottom paint
  14. Scott Danforth

    Need advice on cracked fiberglass between transom and bottom of hull

    Most likely you need to do a full restoration of the hull. Go to the stickies at the top of the forum. 4th one down is the DIY links. Read links 14, 15, 18, 2, 3, 4a, and 4b in their entirety. Read every post, watch every video. Your answers are there
  15. Scott Danforth

    New starter solenoid kills everything.

    Stop throwing parts at it Your issue is most likely a bad connection. Start at the battery and clean every connection to the motor and then up to the helm. Clean and shiny enough your mother in law would eat off them. Then when they are all tight, seal with marine electical varnish
  16. Scott Danforth

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    Best advice ever. And the sad thing is most of the engineers at Merc would agree
  17. Scott Danforth

    Lounge Seat Question

    You have to call., not email, not website. But pick up the phone and call. They have records going back many decades
  18. Scott Danforth

    Question on motor size

    Probably not. Rule of thumb is 75% of max rating for minimum hp
  19. Scott Danforth

    Transducer question

    Buddy mounts his transducer on a telescopic pole he can retract
  20. Scott Danforth

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    There are no shortcuts in winterizing. Drain the cooling system an pressure test
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