• JoshW

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    Rick moore

    15 msha

    New to your forum and thanks for letting me in.
    I have a never used 15 hp 2 stroke outboard 15msha. There is a lever that hangs down wher the motor

    Rick moore Today, 05:38 PM Go to last post
    kimcrwbr1

    Re: Upgraded mercruiser 4.3 prop

    You can allways just keep the engine speed at max spark advance and keep and eye on the plugs. One concern would be the engine running too lean. Fuel

    kimcrwbr1 Today, 05:31 PM Go to last post
    makomark

    Re: Upgraded mercruiser 4.3 prop

    you have a 100 extra hp at the same RPM as before the mod? what's the HP difference at your rated WOT RPM?? Do you have the before and after torque curves?

    makomark Today, 04:38 PM Go to last post
    makomark

    Re: 4.3 gl gf wont start

    If you have goodspark and good fuel, along with adequate compression, the engine should run.....changing the cap, rotor, and plugs has only complicated

    makomark Today, 04:31 PM Go to last post
    makomark

    Re: 5.7L No Spark No Start

    If you haven't verified the voltage drop across the relays as acceptable, how can you declare it 'working'? Just because the electromagnetic makes the

    makomark Today, 04:28 PM Go to last post