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Discussion Starter · #1 ·
I replaced the sparkplug, and changed,oil, and gas.Tried starting fluid.
It backfired through the carb a couple times when pull starting. Pulled for over an hour, best I got was repeated backfires (about 4 in a pull) But, it dosen't seem to be trying to start.
 

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Sorry no one got back to you.

You still having a problem?

BG
 

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Hi leo1254

If you get continuous backfiring through the carb, the problem can be either a stuck intake valve, the engine maybe running too lean, or the the flywheel key has sheared off throwing off the timing.
 

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Discussion Starter · #4 ·
Someone told me to try "sea foam". they think it is varnish- maybe. But when I use starting fluid, it dosent start. When I poured a little gas into the sparkplug hole, it dosent start. I would think it would run long enough to burn the starting fluid or gas up, then die out. The sparkplug sparks a little blue spark.

The next time I work on it, I want to inspect the key, but I am not sure how to remove the part with fins which is behind the pull-start shroud.
 
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