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Repair information and troubleshooting for Craftsman-brand riding lawnmowers.

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Riding mower won't start

Hi, My Craftsman model 917.250, Kohler 26 horse won't start.

I hop on, depress brake, turn key, engine turns over.

It has good spark at spark plug - removed plug, reattached plug wire, turned engine over with end of plug held near metal frame, sparks.

Checked fuel, also squirted starter fluid in carburetor, turned engine over, still won't fire.

Squirted starter fluid directly in cylinder - removed plug, squirted fluid in cylinder, replaced plug, turned engine over, no fire.

Checked for damaged flywheel key, okay too.

Scratching my head, puzzled, any ideas?"

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3 Comments:

Scot Mckone if you have fuel and spark check your timing as well as your valves. You may not have compression

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My craftsman riding lawn mower will not start wont even click on what could be the problem

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My riding mower aslo wont fire done bought new plug new solenoid new fuse repaired wires also wont start only get a little click

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1 Answer

try to bypass the ignition switch by puling it and closing the circuit manually

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5 Comments:

If it is getting spark, how will over-riding ignition switch help?

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It may not, but I like to remove as many things from the system as possible when troubleshooting.

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The brake sensor may not be working too. It sound like you have been very thorough. Compression as mentioned by oldturkey may be your best bet.

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Has compression. how do you check timing?

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Scot, try using this previous thread as there seems to be a lot of similar issues...

Craftsman tractor engine compression or timing issue

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Scot Mckone will be eternally grateful.
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