Home › Forum › Ask A Member › 7.5hp late 50s mdl 7520 carbon coating › Re: 7.5hp late 50s mdl 7520 carbon coating

#29714
JACQUES
Participant

    the red oxide was just a small unpainted section of the cyl head… no harm

    I’ll just do the save a thread and run the engine next summer then inspect the cyl lface for excess carbon

    if it shows up again in excess on the lower cyl face I redo th exhaust cover.

    Joining AOMCI has priviledges 🙂