Reply To: New Old Stock carb

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August 25, 2024 at 5:18 am #290169
aquasonic
Participant

    The original cork floats were coated with shellac which is not very resistant to ethanol. The newer floats are made of ethanol resistant plastic.

    The original black main gasket has been updated to a tan nitrile gasket in the OMC kits. Not sure about the ethanol resistance comparison. Sometimes the black gaskets are degraded and cracking.

    It seems like the nozzle gasket is now made out of nitrile. The original ones tended to crumble.

    If you plan to use the motor on a regular basis, a new OMC carburetor kit would be a good upgrade. Avoid the cheap aftermarket kits they have a host of problems.

    Improvise-Adapt-Overcome