Re: Sudden RPM Loss?
sounds like 1 of 4 things i seen cause this
1: Replace all the plugs may be one bad plug
2: Check for fire on all cylinders could be bad coil pack
3: Check that Magnets are still in place under the flywheel should be able to without removing it
4: Test Compression let us know all ya find
Good Luck Hope it's not an MJ type motor issue ???
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1978 V20 Cuddy w/ 225 Johnson. And Several other boat's
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