Engine drive sprocket question

dougsr.874

Active Member
Local time
4:26 AM
Joined
Sep 15, 2008
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570
How many different size keyway slots does these sprockets have....was replacing the sprocket today and by chance I had on hand 3
different size keyway slots....turns out the middle size is what fit this 49cc 2 stroke. And, what do you ask for when trying to buy them.
 
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