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Discussion Starter #1
I have an old Craftsman snowblower with an HS50 engine on it. It used to run great, but we stripped a gear in the snowblower and put it in the barn. I got it out to put the engine on another snowblower, tried to start it, and there was no spark. I tore it apart and set the points, timing, air gap, etc. The flywheel key looks fine. I put it back together, grounded the plug, and gave it a few pulls. It had a bright blue spark everytime. So I put the plug in and tried to start it. Nothing. I took it out and grounded it again and it had no spark. This is becoming the most frustrating thing. What could be happening?
 

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Probably build up on the contact points causing high resistance and intermittent operation. Try filing the points and resetting and see if that makes a difference.

Best of Luck....
 

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That was the one thing I hadn't tried. So I sanded them down a little, and it started. Thank you 30yearTech.
 
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