Question about Briggs & Stratton Briggs Stratton Lawnmower Lawn Mower Short Block
Hi and welcome to FixYa, I am Kelly.
There is a brake on the flywheel with a kill switch on the flywheel brake mount (behind the flywheel) on the back of the engine. Usually you can correct this by readjusting the user safety handle / bar cable at the back of the engine on the side of the flywheel brake bracket. 1/4" head screw to lift of the plastic cover most of the time and then loosen the cable clamp / mount .. pull the cable a bit furter away from the original position re-tighten clamp and squeeze the user safety hande to make sure the kill switch is no longer activated when the user safety bar is against the mower handle.
Since you did not include an engine model number I can not discuss specifics on you engine. I can do so with your engine model number.
If that does not correct the problem... if your engine has a LOW oil level sensor make sure the engine OIL is fully serviced. If the oil is fully serviced and you still have the problem on sensor models... disconnect ONE wire from the low oil level sensor and re-test spark. If disconnecting the low oil level sensor wire corrects the no spark issue.. remove the sensor and clean through the 2 holes in the barrell of the sensor with carb cleaner... several times to flush it.
On engines that do NOT have a low oil level sensor you have to inspect the black wire coming from under the flywheel for any signs of melting or chaffing. Usually you can repair any noted wire damage with electrical tape. Note fuel eventually eats the adhesive off of the electrical tape. I use electrical tape and a mini zip / cable tie over the tape so it does not migrate or come off.
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Posted on May 22, 2011
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Posted on Jan 02, 2017
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