Re: Primer AND Choke??

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May 28, 2017 at 4:39 am #58501
rudderless
Participant

    I rebuilt one in 1980, rings were 1.5 diameter x 1/8 cross section. I made a new water pump out of a hockey puck and a band saw. Gear case uses grease. I had carb issues so I put on a carb off of a chain saw, Lawson diaphragm carb If I remember. Ran real good with that carb. Mix at 16/1.

    Thats all I got on the Martin 40.

    Oh..it started on first pull with the Lawson carb..wasn’t bad with the stock carb either..

    Last thing..I figured the real light valve springs would let the valves float at high speed increasing valve timing at high speed..