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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 12773
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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Kawasaki FB460V engine on 25 yr SW48-13K mower. Muffler back

Customer Question

Kawasaki FB460V engine on 25 yr Scag SW48-13K mower. Muffler back fires-shoots flame 4" to 6" now when mower turned off. Is summer gas problem? Safety issue? Please advise. Tks.
Tracy Blake
Submitted: 6 months ago.
Category: Small Engine
Expert:  Vince O. replied 6 months ago.

Hello, try lowering the throttle to idle for 30 seconds or so before shutting off.