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Ask Donald Your Own Question
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 2079
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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Have 19.5 31P677-1373-B1 STARTED RUNNING ROUGH. ACT LIKE

Customer Question

have 19.5 31P677-1373-B1 STARTED RUNNING ROUGH. ACT LIKE BACKFIRING AND NO POWER. IS IT THE VALVE ADJUSTMENT?
Submitted: 1 year ago.
Category: Small Engine
Expert:  Donald replied 1 year ago.
Hello Mike. Thank you for choosing Just Answer. My name is***** will be happy to assist you. It is very likely that our problem is valve related. Remove your OHV valve cover, and observe the movement of both valves. Check for loose rocker arms, bent or broken push rod, and your valve clearances.
Expert:  Donald replied 1 year ago.
Exhaust Valve .005' - .007" (upper valve)Intake Valve .003" - .005" (lower valve)
Expert:  Donald replied 1 year ago.
You and I can continue from here. Thanks!