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  1. Kola16

    Yamaha 130 Rect/Reg Charge Issue

    1996 Yamaha 130TLRU serial: 6L1 L 308426 X I am not getting a charge current to my battery. Both my multimeter and sonar agree with that. With everything turned off, my battery was reading 12.8 volts consistently. With the engine running for 5+ minutes at 1750 RPMs, it would only read 12.6...
  2. Kola16

    New Alternator Mount Bracket. Replacing Log Manifolds

    Hello all! I originally started with a Mercruiser 228 with FWC, but am upgrading to a built 383 stroker. I am upgrading my exhaust manifolds to center rise manifolds. I have the old log-style manifolds that has the alternator bracket mounted to the port side manifold. Is there a bracket I can...
  3. Kola16

    Bravo Coupler and Flywheel Question

    Hello all! Long story short, is there a Bravo coupler that goes on a 153 tooth (12.8") flywheel? I am swapping my stock 350 SBC with a mild 383 SBC that will put out roughly 400+hp. Right now I have an MC-1 drive that I will run for a year or two max until I get a bravo drive. I will go easy...
  4. Kola16

    Low Compression, Low $ Advice

    Hey all, just need some experience, thoughts, or opinions. You can skip all the intro if you want and scroll to the last two paragraphs, but here is the backstory. I just bought this used 1996 Yamaha 130TLRU 2 stroke for pretty cheap as a "mechanic special." I already deleted the oil injection...
  5. Kola16

    '76 Merc 50hp "Switch Assembly"

    Hello all I bought a boat with a 1976 Mercury 500M 50 HP 2-stroke 4 cylinder manual tilt with serial number 7080037. I plan on selling the engine for a bigger one, but I want to make sure I have the engine in good working condition before I sell it. I have done all the typical tune ups, like...
  6. Kola16

    Why Did My Thread Get Nuked?

    https://forums.iboats.com/threads/mercruiser-260-backfire-through-exhaust.760715/ Hello. I am wondering why my thread got nuked. What rule did I break? I am just trying to find out why my boat is not running. The link above is the aforementioned thread. Thanks!
  7. Kola16

    Mercruiser 260 Backfire Through Exhaust

    Hello all (again). I have a 5.7L Mercruiser 260 with electronic ignition and a Holley Sniper throttle body EFI. The engine recently overheated due to throwing the water pump belt and it blew the head gasket. I have now replaced both head gaskets and all spark plugs, wires, cap, and rotor...
  8. Kola16

    Is My Impeller Bad? Mercruiser 228

    My engine is overheating and I am trying to track down why. Below are the pictures of my impeller. The video is of the outdrive hooked up to a hose running at idle and WOT. What do you guys think, is that how much water it should be pumping or should it be more? The outdrive is an old MC-1...
  9. Kola16

    How Much Voltage Drop Is Too Much?

    Howdy all! I am trying to determine whether my wiring harness and instrument cluster has too much resistance and draw and needs updating. With my 3-wire ignition switch in the off position, the hot wire reads 12.45 volts, which is what the battery reads. With the switch in the run position...
  10. Kola16

    Tachometer Bouncing Causing Engine Surging

    Hello all. I need some schooling on how the RPM signal is generated. I just replaced the carburetor with a Holley Sniper EFI system on my Mercruiser 260 setup (old carbed-style GM 350). My tachometer and the Holley Sniper unit will jump up and down in RPMs when that is not what the engine is...
  11. Kola16

    2012 F20 Starts, But Putters Out Quickly

    Hello all! I have a 2012 Yamaha F20 remote start that started running funny. When I start it up it runs fine for 20 seconds or so, and then it sputters out and dies as if it runs out of gas. The gas is fresh, non-ethanol gas and the fuel filter is clean. It seems to run fine when I rev it, but...
  12. Kola16

    2003 Suzuki DF140 Nothing Out of Telltale.

    Not my boat, but I am trying to help fix it. The serial number is 14001F-422077. 2003 Suzuki DF140 4-stroke. The engine is not peeing even with revving the engine and letting it warm up. It is not overheating the block, but we still need water out the telltale. We thought that the system could...
  13. Kola16

    Yam F300 vs. Merc Verado 350 vs. 383 MPI

    Considering repowering my boat due to the constant troubles my engine has had. My boat is a 1979 Wellcraft Suncruiser 225, which is the boat in my avatar. The boat is heavy for 22.75 ft. at roughly 5000 lbs. with gear and without main engine or gas. It has a 22° deadrise at the transom without a...
  14. Kola16

    Carbed Mercruiser 260 5.7L Missing Above 4000 RPMs

    Hello all. My Mercruiser 260 GM 5.7L I/O with the MC-1 Drive sounds like it is missing, or starving for fuel at higher RPMs (4000+). It does it when already on plane, and/or out of the hole. It is happy as a clam at idling and cruising speeds (750-3500 RPMs). Here is all the back info: - All...
  15. Kola16

    Carburetor Overheating. 350 Sputters Out After 30 mins

    My recently rebuilt 350 carbed block has had an issue the last 5 times out on the water. It will be running like a champ for about 20 minutes, then it sputters as if it were running bad gas or out of gas. Thinking it was a fuel issue after the third time, I drained the tank, inspected the fuel...
  16. Kola16

    228 Power Trim Down Works; UP & UP/OUT Do Not

    Hello all! First post of hopefully many! This forum has helped me a lot as I've been a long-time lurker just never got around to creating an account. Anyway, my MerCruiser 228 will lower but, not raise. I have the old 3 button control panel style from 1979. The serial number on the outdrive is...
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