YZ4 alloy pulley part numbers?
Hi guys, no doubt it's been on here before but can anyone tell me what I need to convert my YZ4 standard pulleys to the alloy ones?
I've looked on MB Models site & not sure tbh? Does the actual pulleys come with the flanges or does each pulley need 2 flanges? Confused, lol. I don't have the rear narrow belt conversion either? Is there a alloy pulley for the thicker belt?
A list of part numbers would be great.
Thanks
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