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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 26285
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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How do I change the spark plugs Generator Onan 4000? I

Customer Question

Hello How do I change the spark plugs Generator Onan 4000?
I am from Saudi Arabia
Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.
Welcome to JUST ANSWER small engines, let me try to help you !! With the proper size socket, usually 13/16, but can be 3/4 socket. Locate the spark plug at the end of the spark plug wire, remove the wire from the plug, and turn the spark plug CCW to loosen, remove the plug. Then repeat on the second cylinder. Gap the new spark plugs at .030 inch, and install, reattach the spark plug wires.