Have scag wildcat STWC61V-26KA-LC That starts good but when I engage mowing blades the engine misses & upon acceleration, It begins to backfire & continues as long as I mow. Have changed spark plugs & fuel filter.
Check for loose carby or failed carby to manifold / head gasket as it appears that you have a lean mixture problem xcheck for blockage in main jet.
SOURCE: backfire won't start now turns over
coil or coil packs are bad, also check for fuel to make sure it is getting gas.
SOURCE: Last weekend I sharpened the blades, changed the
There is an operator presence switch under the seat...if the mower shuts off when you release the brake, this switch is faulty and must be replaced
SOURCE: engins starts and runs when mowing will backfire and stall.
First,if your blade is bent and hasnt been replaced yet,do it, second make sure your timing is still right on your engine.
SOURCE: Motor backfires
Hi,
It sounds like your engine is firing out of time.
Here is a link to the manual for your engine. It does contain some good info and I hope it will help you to solve this problem.
http://www.gardenresources.co.uk/content/garden_machinery/manuals/husqwm227_hwen2002_0000000-01.pdf
Best of luck!
SOURCE: engine runs but sputters after engaging blades
ck for water in carb bowl. also ck for filter in gas tank, or something in gas tank.
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