3.5 HP B&S Timing


Old 05-05-06, 04:23 PM
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Join Date: May 2006
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3.5 HP B&S Timing

I just rebuilt my lawnmower motor but did not check for timing marks when I took the cam out (I know...next time I will). There is a dot on the crank gear and a groove on the plastic cam gear. I lined these up but it will not run!!! Any ideas?
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Old 05-05-06, 07:26 PM
v8driver's Avatar
Join Date: Sep 2005
Posts: 767
Have you made sure the valves are operating correctly? Hows the compression? Was the flywheel key replaced with a oem key and tightened down to spec?
Old 05-07-06, 03:19 PM
repair_guy's Avatar
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Join Date: Apr 2004
Location: Marion,Al.
Posts: 539
I agree with v8driver,if you got the timing marks on the cam and crank lined up together and a new flywheel key,check youe valves.If you getting good fuel intake,compresssion,spark and exhoust,it should do something.

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