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3.5 HP B&S Timing

chedud's Avatar

Join Date: May 2006
Posts: 1

05-05-06, 04:23 PM   #1  
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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v8driver's Avatar

Join Date: Sep 2005
Posts: 767

05-05-06, 07:26 PM   #2  
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?

repair_guy's Avatar
New Member

Join Date: Apr 2004
Posts: 539

05-07-06, 03:19 PM   #3  
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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