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  1. G

    93 Yamaha sterndrive.

    Yes you're correct. Thx for your help.
  2. G

    93 Yamaha sterndrive.

    You're correct, it's 4.3ltr Chevy engine that Yamaha used with improvements. Thx, I'll try to follow the wiring g and hopefully fix the problem.
  3. G

    93 Yamaha sterndrive.

    Mmm, where is it located on a 4.3ltr Yamaha engine.
  4. G

    93 Yamaha sterndrive.

    We're thinking power as it makes no noise when the ignition is turned on, yet runs when attached to a test battery. Opinion?
  5. G

    93 Yamaha sterndrive.

    All fuel lines, filter seperator from tank to carb are clean. We're thinking power to the fuel pump is the problem as there's no sound when the igitition is turned on yet it runs when powered to a battery Opinion?
  6. G

    Wiring Diagram-Yamaha 4.3L

    This is the first bit of info I've found re: electric fuel pump, thx. However, as a layman I need more clarification. Could you also tell me where to find the oil pressure switch? Thx in advance.
  7. G

    93 Yamaha sterndrive.

    As in starting? Yes, it starts, runs smoothly as long as I feed gas into the Carb.
  8. G

    93 Yamaha sterndrive.

    Boat has new everything tune up, rebuilt carb, new water sep. filter. Ran for 20 min at mid speed then died and no restart. We've checked everything from inside the gas tank, lines to water filter and fuel pump, all clean. Fuel pump works fine. Any suggestions on what to try next.
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