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Posted by trainfan1 on May 5, 2007, 4:07 pm
Joe wrote:
>> hi i have a sears riding mower 17HP briggs engine i replaced the
>> starter battery turn the key and it want start engine want turn allway
>> around i took the plug out and engine spins like crazy whats the
>> problem im puzzled
>
> You may have replaced the spark plug with the wrong type and since
> it's too long it hits the piston and the engine won't turn any
> further.
> Joe
>
Or the starter is too weak to overcome the normal compression stroke.
Check all connections, too. Clean & tighten. Check battery cranking
voltage - should not drop below 10 v while cranking.
Rob
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