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  1. B

    650 thunderbolt hole in block

    My waterpump impeller was shot I ran the motor and it got extremely hot. I tore the motor down last night and I have a small hole in the top port side of my block the cylinder looks ok. Does anyone know if it would be ok to find someone who can weld aluminum and patch the hole hopefully without...
  2. B

    running hot

    I just picked up a 650 thunderbolt 3 cylinder I ran the motor in a garbage can with no problems. I took it for a test ride last night and the motor lost power and shut off. I checked on it and it was extremely hot. I pretty sure the water pump impeller is my problem. I then swam the boat in and...
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