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replaing flywheel key on sabre riding mower

railroader10's Avatar

Join Date: Feb 2007
Posts: 5

05-23-08, 07:10 PM   #1  
replaing flywheel key on sabre riding mower

I have a 1997 sabre model 15.538 riding lawnmower made by john deere.....It made a loud backfire and will not do anything now....I thought it was the flywheel key....is this a tough replacement on a 15 horse brigs engine......railroader10

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cheese's Avatar
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Join Date: Jul 2001
Posts: 16,569

05-23-08, 09:15 PM   #2  
It's not a hard repair at al, but a flywheel key very rarely shears on a riding mower engine unless someone had the flywheel off before and didn't properly torque the flywheel bolt. I would take the valve cover off and have a look at the valve train...assuming that you've already tried a new spark plug.

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