troy-bilt mower won't stay running


Old 03-31-08, 10:30 AM
Thread Starter
Join Date: Jul 2005
Posts: 6
troy-bilt mower won't stay running

I have a Troy-bilt self-propelled mulching mower model 556 (briggs-stratton engine). I bought it used from Lowe's last year. It ran great last summer until the end. So since it was the end of the season I just put it away.

This year I drained and replaced the gas, the air filter and spark plug. I got it running with starter fluid and it will stay running until the starter fluid runs out.

Any suggestions?

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Old 03-31-08, 11:07 AM
Join Date: Jan 2007
Location: MA
Posts: 514
Carb needs complete cleaning and new needle & seat. Most likely PN# 398188 but post engine model and type #'s and we will make sure. Check air filter as well.
Old 03-31-08, 11:16 AM
Thread Starter
Join Date: Jul 2005
Posts: 6
Thank you for your reply. I will just take it in for service. I replaced the air filter and the spark plug.

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