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Hi , all you mower owners. New to this so please bear with me. I have a 2010 Husqvarna 48 in cut rider. Problem is , it pops and backfires while running. It has a 23 HP v twin . I have adjusted the valve clearance to .004-.005. Checked the shear key in fly wheel, its OK. Have sprayed carb cleaner and ran sea foam through carb. But it still has that skipping backfiring sound. It starts up time you turn the key and doesn't shut down. Just can,t get rid of that sound. May be next step is rebuild carb. Thanks to any help Anyway. Hello to all you guys and hope your all well.

Welcome to LawnWorld!

We moved your thread to the Husqvarna & Dixon forum.

Have you checked to see if the plug wires are swapped ?

jg, my Intek did that just before one cyl stopped working-pushed guide. Sorry only experience I have. (Compression check just for fun? I think mine was 150 both)