Question about Briggs & Stratton Briggs Stratton Intek V - Twin Vertical Ohv Engine with Electric Start 22 Hp, 1" X 3 5/32" Shaft, ModelNo. 44K777 - 0027 - E1

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Briggs and stratton engine on my lawn mower won't start.

I hit a rock and now it just backfires, I replaced the flywheel key which was not broken, now i heard there is a timing gear key that may be the problem? Is that a major repair? Could the problem be a blade key?

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  • nikehercu267 May 16, 2010

    I will check the blade keyway, however the engine model number of my mower is 31P977 type 0635-e1
    20 HP It has two blades. The left side blade is the one that hit the rock. Thank you very much for your help.



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Remove the blade and check the keyway. If the key way has the shear pin still in it it may have been bent and not sheared off. That will cause it to be off timing. I would imagine the valves got bent from the sudden stop of the engine as well

Posted on May 16, 2010


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