B&S doesn't restart after being shut down


Old 04-06-05, 12:32 PM
Visiting Guest
Posts: n/a
Question B&S doesn't restart after being shut down

We have a snapper 12lt riding lawnmower. It has a Briggs and Stratton Motor Model # 404437 Type 1205, it has 12.5 h.p. It runs pretty good, but in the last year it has been acting up. When we start it cold it does fine. After we have been using it for a hour or more and have to shut it down for some reason, it does not like to start back up. The engine turns over fine but it doesn't fire. One of the things that we noticed was when the engine was hot and had not cooled down that there was very little spark. Once the motor sets for 15-20 minutes the spark is much stronger and it starts. We are wondering how to figure out why it won't start when it is hot?
Sponsored Links
Old 04-06-05, 02:37 PM
puey61's Avatar
Join Date: Apr 2004
Location: Upstate New York
Posts: 3,224
Chances are the ignition coil is breaking down when hot. The moment you have trouble you need to hook up a Briggs 19368, ignition tester in-line between each spark plug (still installed) and the coil wires and check for spark. No spark - replace the coil, spark - look further, carb, valve train, etc. For reference: Briggs ignition coil for your model - 394891.

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