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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 13581
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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My eds3225 Kohler 22 hp with a Keihin will idol good,when

Customer Question

My eds3225 Kohler 22 hp with a Keihin will idol good,when i give it some gas it
Backfires an will not run.?????? I took the top of the carb off and cleaned every thing.
With the same results?
Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.
Twin engine. Run a cylinder test. Loosen the spark plug wires , and with engine idling, remove one spark plug wire at a time. Engine should continue to run. If it dies when either wire is removed, the opposite cylinder is not firing. If this is the case, and engine is backfiring, I would remove the valve cover on the odd cylinder and check the valves. Backfiring would indicate that a valve is open when the spark occurs.