Question about Husqvarna Lawn Tractor 48" Deck, 23 Hp, Model# Yth2348
I have a John Deer 325 ride on mower with a Kawasaki FH531V engine.It runs fine til it gets hot. At that point it struggles to throttle back up when mower is engaged. Disengage and it seems to run fine. At times it blows back fuel thru the intake. Please help.
I think one of the intake valves, or a valve pushrod, is bent or warped. When the engine heats up, the metal expands and the valve starts sticking open. That would cause compression to be lost in one cylinder, reducing available power so things drag when you engage the blades. This would also causes air/fuel to be blown back through the intake. I think you'll need to take it to a small engine mechanic. Good luck! Please rate my solution if helpful, thanks.
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
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