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Lawn mower will not start, only backfires.

Husqvarna YTH18542. Replaced fuel filer. Replaced sparkplug. Purged all fuel from tank to filer will new fuel. Cleaned air filter. Engine will only rotate with starter but will not turn over. Fuel is present on spark plug when removed. Tried starting in different power setting, but will only backfire.

Lawn Mowers , Lawn & Garden
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2 Answers from these members:
Manage My Life
Hi Utahgator, I see how frustrating it is for your Lawn Mower to not be working properly. While you are waiting for an experts response. A suggestion I have is to visit I have provided you with the link below. Hope this helps!
by Manage My Life
June 23rd, 2010
Answered in 16 minutes
0 votes
scott d
I think you have an internal problem in the engine. One of the valves might be stuck or just needs adjusting. Something is causing the engine to fire out of time. I recommend you get a technician to diagnose the problem with the engine. I'm listing a site you can access to have a tech come out. Here is a link for the website:

Sears Home Services

by scott d Earned 3,473 community points in Lawn & Garden
June 25th, 2010
0 votes
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