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Hi All, Last week my 10515 started running rough and stalling. I replaced the coil, new plug, air filter, cleaned the exhaust ports and cleaned the carb. This only made things worse, the mower now hesitates, pops and smokes out of the exhaust. Almost sounds like the timing is off. The nut on...

Hi All, Original owner of a 1993 F series, replaced a seized motor a few years ago with a rebuilt that has run well until recently when it started surging. The Walbro carb was gunked up but after cleaning it discovered the throttle shaft was wobbling as the shaft hole had worn. Replaced the...

I'm attempting to replace the lower oil seal on my 10515. It looks like the something is missing as the seal slides onto the crankshaft but there is nothing to hold it in place as the opening is much larger than the OD of the seal. Here is an image copied from another thread with the same...