Auxiliary Drive?

JohnnyBeGood

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Jun 11, 2022
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Exm.ark 48" Metro. anyone know what this extra drive pulley is for where my finger is pointed? You can also see a bigger pulley mated to the tire rim. This is only on the left drive...and not on the right side. Never had a belt on it. Everything works fine, but just curious as to its function
exmark drive.jpg
 
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