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Old 06-16-2009, 10:17 PM   #7 (permalink)
k2skier
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Join Date: Sep 2008
Location: Oregon
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Re: Briggs 15.5hp engine - locks on compression

Quote:
Originally Posted by dsybert View Post
I tried it with the battery, jumping the battery with a boost pack, and powering it right through the starter, to eliminate the key and everything downline. Still no luck. I will check the valve clearance, but the tractor ran fine last year. The valves shouldn't gain excessive clearance by just sitting for a year. Thanks for the replies. Anyone have any other ideas?
If it's not the battery, (when you jump it, go straight to the starter), or valve clearance, it's a bad starter or bad cam shaft (comp release is built into cam).
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