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    Removing the top cover from 1958 Thunderbolt Mark 55?

    Here is your picture. Evening sun was unfortunate. Sure is a compact 40hp. My other 40's are back breakers to move around. Seems that I need to read an idiots book for repairing outboards. Figured they were similar to auto engines, have rebuilt a couple of them, there are many differences. I...
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    Removing the top cover from 1958 Thunderbolt Mark 55?

    Just bought a 14' Glass Craft with this motor. Getting into buying and working on older outboards for some reason, perhaps because working outboards are worth real money? The electric start will turn over the motor which has not been started in "7 years" per last owner. Yea. Needing a Mercury...
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