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I have an Ariens Zoom mower, and I can't get it to fire. It will turn over, and there is spark coming from the plug. I have detailed the Carb. almost spotless.

I am very confused because it is getting the three main things, Air, Gas, and Spark. Is there something I am missing? This is a 13.5 HP Briggs and Stratton engine.

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Are you sure it's getting gas? What does detailing the carb mean (cleaning the outside or the inside/)
some makes of carbs BS used, at least in the past, would develope sticky float/needle valves. When you remove the plug after sustained cranking, but no start, it should be damp with gas

Posted on Jun 19, 2017


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Posted on Jan 02, 2017

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SOURCE: carb is getting clogged and spark plugs fouling

Carburetor cleaner will ruin the rings and do that.

Posted on Apr 13, 2010

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SOURCE: Briggs and Stratton 6.5 hp won't start- not sure

Took carb. off and cleaned and put new kit in. Carb. is self choking. Put new primer bulb in. Will run with starting fluid then stop. Not getting any gas. Could carb. be clogged. I soaked it in carb. cleaner and blew out. Any suggestions would be greatly appreciated.

Posted on Jun 04, 2010

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SOURCE: Lawn mower won't start

to check for firing remove the spark plug insert it in the plug boot and pull the rope while watching to see if the plug sparks be carefull not to touch the plug electrode while pulling the rope or it will shock you. If you don't have a spark, try a different plug. If still no spark the coil could be bad.

Posted on Jun 30, 2010

  • 6468 Answers

SOURCE: Ariens 1640 Zoom Riding Mower with Briggs & Stratton engine smoking

check to see if the oil smells like gas the needle valves go bad in the carb and gas over flows into the crank case also the head gaskets go bad and **** the oil from the crank case

Posted on May 10, 2012

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