Question about Craftsman 20 Hp 42" Deck Lawn Tractor

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Craftsman riduing tractor turns over but won't

Craftsman riding tractor turns over but won't start. Have checked sparkplugs and have spark. Have installed new battery
craftsman 20.5 hp lawn tractor model 917.270951

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If you have spark and compression, the only thing left is fuel.

Check that fuel is being deluvered to the carb (remove fuel line to carb and make provision to catch ejected fuel. Crank engine. Fuel should be pumped from the tank and out the open line at a good rate.

If this checks out (or there is no pump fitted, but there is fuel issuing from the pipe), check the electrical connector on the bottom of the carb. There should be battery voltage on this conection for the engine to run - if not - that's the problem.

If that checks out, the cut-off solenoid (fed by the connection you just checked) is suspect.

Posted on May 09, 2010

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Had the same problem. Removed carb, carefully, noting where everything goes and taking some pics, completely disassembled and thoroughly cleaned. Reassembled and worked like a champ. Reason for this? Gas goes bad and gunks up the carb. Good luck

Posted on May 26, 2010

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Check kill switches, under seat, clutch & blade engage lever, and make sure its in park.

Posted on Jun 01, 2010

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Like the others have mentioned...that leaves a fuel issue. Try pouring a little gas down the carb (take air filter out first) to see if it will pick it up. Depending on how old the gas is in the tank...you may have to drain the tank and clean the carburetor. I recommend using a form of stabilizer in the gas when storing the machine during the off-season. Do no use dry-gas in any of these engines as it will do more harm than good. www.nnyparts.com

Posted on Jun 01, 2010

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