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Malossi primary gear kit with third support bearing for Yamaha Aerox 50cc scooters.
Not just any gear kit from Malossi, this one will add the third bearing support (like on Piaggio engines) to help support the primary shaft on to the crankcase cover. Will help to reduce unnecessary wear and high vibrations on higher output engines.
Ratio = 14/42
*Please note it is designed to work with original crankcase covers that have the recess to accept the Malossi support kit.
Malossi 6714733
As soon as we get new stock for Malossi MHR Primary Gear Kit - Yamaha Aerox, we'll send you an email.