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  1. nola mike

    Buying a used boat with Mercruiser 228

    It almost certainly doesn't They're all water cooled. Some have auto style closed systems running antifreeze, most don't. Echo the others, transom/stringers are most important. Drilling a core sample is the only reliable way to test the wooden components. Hammering, tapping, etc are fairly...
  2. nola mike

    . . . and I Thought Hi-tech Boat Engines Were Bad . . .

    Thought he was talking to me. How/why did you need to register? Mine was still recognized as having been changed in 2020 and listed the same parameters.
  3. nola mike

    Thought my boat would be faster

    Growing up had an '82 Galaxy 16' with a 120 OMC, it would hit mid-upper 30's
  4. nola mike

    . . . and I Thought Hi-tech Boat Engines Were Bad . . .

    It still recognized the battery correctly.
  5. nola mike

    . . . and I Thought Hi-tech Boat Engines Were Bad . . .

    Ok, ready for this? Getting waste gate codes. Had BT scanner plugged in, apparently still powered with ignition off. Killed battery 100 miles from home (another story about getting a charger). Charged battery. Noticed on the way back (after every warning light tripped) that A/C doesn't work. Now...
  6. nola mike

    Melted coil feed wire = Bad Pertronix?

    It will show voltage but won't get hot because there isn't current through the wire. Reconnect it to the coil, disconnect neg wires and try again. If still good connect negatives one at a time.
  7. nola mike

    180rpm

    Sure it does... Just put some debris or water in there 😀 Did you check the contents of your old filter? New gas +bad gas =more bad gas. All the water/crud hangs out at the bottom of your tank. Would check all that Ted mentioned, but usually it's bad gas/carb until proven otherwise. Can try...
  8. nola mike

    Melted coil feed wire = Bad Pertronix?

    Disconnecting the neg side of the coil will eliminate anything upstream as the problem. Is the wire still getting hot? Possible that the tach/wire is shorted to power, but not sure what the exact issue would be if that happened. You can also connect an ammeter in line to see where your increased...
  9. nola mike

    Alpha Gen 2 Shift Cable Removal

    I was surprised how well these worked last time I ran into this. And yes, the sheath wears on the inside and needs replacing TOPEC 5-Piece Spiral Type Deep Extractor Set, Spark Plug Easy-out Set, for Removing Deeply trapped and Broken Bolts, Studs, Fittings, Threaded Pipes and Pins...
  10. nola mike

    Very loud "thunk" while underway...

    '03 25hp 2 stroke merc (no s/n handy, sorry). Cruising today at 3/4 throttle, no problems, and I hear a very loud "thunk" sound, and motor starts to rev. I immediately pulled off the throttle and went to neutral. Engine sounded fine. Shifted into fwd/neutral/fwd. No problems. Went slow for a...
  11. nola mike

    OMC to Merc swap in 1996 Sundowner 195

    Hammer test is lousy. Drilling some holes in tension and stringer imo it's the only fool proof way to test condition. Everything is accessible with the engine out, and definitely worth doing to make certain you're not putting lipstick on a pig
  12. nola mike

    Boat starts perfect but shuts off after 20 mins of driving

    The point was that carp in the tank can be causing your issues, and if you had debris in the carb filter it's probably in the carb. Assuming you don't have a water/fuel filter. As for this miracle fuel cleaner, please share with us--especially any proof of efficacy. How did you check for water...
  13. nola mike

    Audio warning system on 2003 Mercruiser 5.0

    that's what I'm saying. switch polarity is reversed between TB iv and v
  14. nola mike

    Audio warning system on 2003 Mercruiser 5.0

    so this has come up a few times lately.... the tks/tbv system looks different than the TB iv in terms of the alarm system. all of the alarms go through the icm in tbv, and the op switch for the warning is NC with engine running. unless I'm reading things wrong. otherwise all of the recent...
  15. nola mike

    OMC to Merc swap in 1996 Sundowner 195

    If you can find a wiring diagram of the boat harness and post it here you'll get a better answer. Better yet, diagram of both harnesses.
  16. nola mike

    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Fyi, looks like the tks switch may be different. I can't link ATM, but manual #41 has 2 switches (which one are we talking about?). It appears that the 2nd switch is different than the warning switch on the older models. And like I said above, this switch feeds the icm whereas the older ones didn't
  17. nola mike

    Thunderbolt V vs Delco EST Ignition

    Also, tb v has a dynamic advance feature based on rpm (potentially allowing more advance). I think the Delco is just a static advance map
  18. nola mike

    Bad engine coupler or spun prop hub?

    That should be fine
  19. nola mike

    2000 Alpha One Gen 2, U-Joint Knocking

    did you check your alignment?
  20. nola mike

    Exhaust leak from lower unit?

    Yes
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