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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28683
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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25 hp kohler ,loses power when pto for deck is

Customer Question

25 hp kohler ,loses power when pto for deck is engauged,engine is in 2012 john deere lawnwower
JA: Can you guesstimate how old the engine is? And has it done anything like this in the past?
Customer: 4yrs old and no it hasnt
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no its the only problem ,loseing power when pto engaged
Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.

With Twin engine , run a cylinder test.Loosen the spark plug wires and with the engine idling, remove one wire at a time. Engine should continue to run, if it dies when either wire is removed, the opposite cylinder is not firing. If that is the case, check for spark on the dead cylinder. With Kohler, you likely have a bad coil/ignition module.