Re: F-12 hard to start

Posted by Dave Allgire on March 08, 2010 at 15:22:37 from (24.217.36.77):

In Reply to: F-12 hard to start posted by farmerphil on March 08, 2010 at 14:15:37:

If your impulse is snapping right on DC, I would suggest you relook at your timing. It shouldn"t "snap" until just after TDC as you are cranking the engine over slowly. With #1 on TDC, make sure the pointer in the mag is pointing at the 1:30 position. Don"t move the mag from this position as you are reinstalling it. If the mag drive will not match up, reposition the drive mechanism by removing the two bolts and repositionig the movable driver. I use Champion W14 plugs and have had good luck. Other people might disagree. The float level should be set to 25/32" or 3/4". I measure that from the bottom of the top cover to the center of the float as it is hanging down. That"s a good starting point. You might have to modify that if you get gas running out around the throttle shaft. Hope this helps.

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