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Old Nov 07, 2012, 07:28 PM
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United States, Mt, Bozeman
Joined Jan 2012
368 Posts

Originally Posted by earlwb View Post
You only need to rebalance the flywheel if you have machined off some of the excess fins and stuff on it. But even then it may be balanced Ok, so it may be quite minimal if anything. But sometimes there are protrusions or something that when machined off might affect the balance.
Earl, I trimmed some of the flywheel off of my weed eater brand engine it was a pro 150.....but, just looking at the mag, it implies rotation in the Clockwise direction when looking at the engine. I think props are made to run in the other direction? *when I check, the magnet is at the magneto just before TDC running in this direction.

also wondering what the little deal is on the outside of the carb body? Is this simply for the primer? or does it actually pump?

I got 1.7cm for the bore and about 6cm on the stroke... this seems to give me about 50cc... does this seem right to anyone?

Thanks for the help.
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Last edited by hutchinstuff; Nov 07, 2012 at 07:59 PM.
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