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t_furgeson
07-09-2007, 05:45 PM
Long story short my grandparents Craftsman riding mower with a Kohler 17 wouldnt start. I replaced the plug, checked for spark, drained the gas and refilled it, replaced the battery, then I went to check the oil and it was full of gas. I drained it all out, flushed it with a quart, put 2 quarts in, put oil into the cylinder with the plug out and cranked it(good compression). Now it cranks, backfires when I adjust the throttle. I still have spark and its getting gas. I also tried starting fluid to no avail. Thanks in advance for any info.

Restrorob
07-09-2007, 07:08 PM
Sounds like you need to pull the carb. off. Tear it down and spray through all ports/passages and jets with carb & choke spray cleaner with the little straw, Check and clean the float needle valve (most likely cause for fuel in the crankcase) Then re-assemble.