My scag mower won't run and spark plugs are not firing

Phil Walker

• 610 Answers
• Posted on Jul 14, 2011

SOURCE: lt180 won't run without choke

Hi, disassemble and clean all jets in the carby, also check the valve clearances are correct because if they too tight the engine will not draw fuel in. Hope this helps, regards Phil.

Testimonial: "thanks I'll give it a try....new carb -replaced last year, but hearing the ethonol is destroying mowers"

SOURCE: 36" Craftsman riding mower. Turns over, getting fuel and spark but will not fire and start up. Originally started went about 25 ft cut off and will not fire back up. New plug & fuel filter install

if anti back fire selonoid is disconnected how
are you getting fuel? if so ck selonoid again make sure it is open. should run

SOURCE: Have John Deere 165 riding mower. Strong crank,

Has it been outside? May be water in the fuel.

Phil Walker

• 610 Answers
• Posted on Jun 30, 2011

SOURCE: my john deere lt133 riding

Hi, what are you calling proper voltage? If its a gap tester it should jump at least 8mm. If its a peak voltage tester it should be at least 12,000 volts. If not the ignition module is faulty, which is very common on kohler engines. Hope this helps, regards Phil.

Richard Roth

• 9472 Answers
• Posted on Oct 18, 2011

SOURCE: I have a craftsman lt 1000 riding lawn mower and

Look under the mower to see if the drive belt has come off or broke. It is the belt that runs from the bottom of the engine to the rear axle.