20 hp Briggs Backfires and stalls under load

Reply

  #1  
Old 06-16-11, 10:43 AM
Member
Thread Starter
Join Date: Dec 2009
Location: Oklahoma
Posts: 37
20 hp Briggs Backfires and stalls under load

I have a 20 hp briggs that just began backfiring when I started it. Once started it ran fine. Now it has begun to backfire and stall when under a load. If I disengage the mower it runs fine, but when I put it back under a load it will backfire and stall. Any ideas?
 
Sponsored Links
  #2  
Old 06-16-11, 07:54 PM
cheese's Avatar
Forum Topic Moderator
Join Date: Jul 2001
Location: USA
Posts: 16,813
Sounds like water or trash in the carb.
 
  #3  
Old 06-17-11, 10:48 AM
Member
Thread Starter
Join Date: Dec 2009
Location: Oklahoma
Posts: 37
Thanks. I'll check that.

BTW, yesterday I went out and started it and it ran fine. I engaged the mower and it ran just like it was supposed to. I mowed about 30 minutes and never had a problem. When I took it back to the barn and throttled down to park it, it backfired a couple of times.

Also, one of the valve covers is oily. The other is very clean.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes