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  1. dingbat

    Marine Tex on Alodine?

    I used JB to resurface/repair the cooling passages in a corroded aluminum block with good success. Already bare aluminum, just cleaned the surface with denatured alcohol then applied a thin layer of epoxy where needed. Covered that with plastic wrap and used a plastic spatula to fill in the...
  2. dingbat

    2005 200hp Mercury Optimax Water in Gas

    Running isopropanol through a moisture sensor probably wasn't the best move. Could have damaged or contaminated the moisture sensor. Just because you don't have water in the bowl doesn't mean the fuel isn't carrying mositure. The sample I took out of my fuel this Spring did not show water...
  3. dingbat

    Fresh water corrosion and anode choices…

    Generally speaking, aluminum doesn’t corrode in freshwater w/o facilitation. The “electric leak in the lake” may in fact be a short or bad ground connection somewhere on the motor or boat.
  4. dingbat

    90 Amp Fuse Question

    It's correct as wired....... A starter can draw well over 200 Amp at start.
  5. dingbat

    Trailer axle capacity/sizing

    Single axle trailer........#3500 to #5200 involves a tire change. Existing load rating = tire rating According to literature the dry weight of your new boat is #3,500. Add fuel, coolers, toys and misc and your probably closer to #4,000.
  6. dingbat

    Upgrading the whole electronics package minus chart plotters

    This is a function of the sending unit, not the display. You need a reed switch type sender What do you have currently? What are your expectations? I found this functionality fairly useless in the long run. I don’t use AP for point to point…dangerous and does not relieve the Captain of watch...
  7. dingbat

    Lenco trim tabs flashing on right side

    Never heard of such a thing, explain.
  8. dingbat

    Fresh water corrosion and anode choices…

    I would install aluminum anodes and see what happens. Certainly have to provide better protection than 20 yr old, oxide covered zinc anode
  9. dingbat

    Replacement Battery for Mercury Bigfoot 60hp

    Why is that? As long as the cranking amperage meets min. spec, no problem. The recommend battery for my 200 HP is 500 CCA above 32F, 675 CCA below 32 F I run two (2) 600 CCA, 160 RC deep cycle batteries. Have never had an issue starting down to 20F. In fact, you get increased battery life out...
  10. dingbat

    Replacement Battery for Mercury Bigfoot 60hp

    https://www.eastpennmanufacturing.com/wp-content/uploads/Marine_RV-Application-Selector-Guide-0406.pdf
  11. dingbat

    2nd battery needed if installing prawn puller??

    outboards typically don’t charge while idling. The rated output of the charging system is rated in hours of run time. A 30 amp system is charging at a rate of 30 amps per hour
  12. dingbat

    Water/Fuel filter

    The pressure drop in a good quality, coalescing filter is less than 1/2 psi. Either the filter or fuel line is too small for the flow rate or you have something wrong with your fuel delivery system. I run a 200 hp with a 60 gpm filter. No problem drawing fuel from the under floor aux tank...
  13. dingbat

    2004 merc 50hp efi starts and stalls wont stay running

    A choke on an EFI? Never heard of such a thing. Injectors are very sensitive to fuel quality. Must a 10 micron filter to avoid problems. 10 micron filter? When was the last time the injectors were sent out for cleaning? Have you monitored fuel pressure while engine is misbehaving? No beep...
  14. dingbat

    Lenco trim tabs flashing on right side

    Electric and water don't mix...... Don't know if this helps or not https://www.manualslib.com/manual/2168610/Lenco-123sc.html#manual
  15. dingbat

    Water/Fuel filter

    When push comes to shove you can never have too much capacity (water) in a fuel filter Having said that, here is the small boat version. https://www.racorstore.com/racor-r23298-10-marine-snapp-w-drain-replacement.html
  16. dingbat

    Electronics question

    Dup
  17. dingbat

    Electronics question

    You will have no problem executing your plan. Both my chartplotters are wired directly to the house battery
  18. dingbat

    Dead Batteries

    Nothing really to test. As noted earlier, it usually come down to an outright failure Check ohms between battery and starter. Should be 0. If higher, pull individual cables to test separately. Check for repeatability of continuity thru the solenoid. Could ohm check through the switch as well...
  19. dingbat

    Dead Batteries

    Nope….A dead short typical blows a fuse and shuts them down. A voltage leak, bad brush contact, corrosion, insulation breaks in winding, etc. can induce enough voltage drop to limit performance while at the same time, slowly dripping the life out of your battery.
  20. dingbat

    Dead Batteries

    This happened 3 years ago, then again last Spring. Both times confirmed bad starter though the second time took a bit longer to diagnose due to the “smart charging” feature of the truck. Armature shorted to ground the first time. Second time (rebuild) obvious death by corrosion as evidenced...
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