Recent content by Bollie

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    1963 40hp Big Twin Low Compression

    Hi, I would like to know what you guys think. This old motor runs nice after I have put some time into it. It just did not have the power it should have. I did run some Sea Foam through it, but the compression on both cylinders is 60 psi. I test it with a second tester and get the same reading...
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    How do I do this 2 pictures

    In Thailand we where towed behind a jet ski on this thing. I can not remember how it was set up, but even i could standup and it was fun. I would like to do the same thing behind my boat but could not find something like that on the net. Any ideas.
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    Please identify this wire

    1963 40Hp Evinrude BigTwin. There is a wire coming out of a rubber plug on the front of the head of the lower cylinder It looks like a sensor of some sort, it a little lose, how can i test to see if it is working at all. I disconnect it but could not detect a difference while the motor was idling
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    63 40 Hp Big Twin carb question

    I striped and cleaned the carb, now it seems that i can not get the air ajuster set right.<br />When i remove the air needle screw completly the enjin starts to rev up, if i just stick it back in, the motor runs more even but when i turn it in - at the piont where the thread starts to catch the...
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    Is this sparkplug to hot

    I bought sparkplugs for my Evinrude 40Hp Big Twin 1963 model at NAPA. They gave me RJ8C plugs. I found some posts that recomend RJ7C. I do not want to damage this old motor.
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    Newbie with dog clutch problems

    I just got this old boat with a Evinrude 40 Hp Big Twin motor i think 63 model. I install a new coil and spark plugs to get the motor to run in a barrel. Went to the lake this weekend to try it out. The prop hub was spun, i replase the prop and got a days happy boating with my son. Today with me...
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