Seller notes

Upgrade your 50cc scooter to reach higher speeds and improved acceleration with Pitmoto's Big Bore Kit - 50mm/100cc. This comprehensive kit includes everything you need for a seamless installation, including the A9 Cam and Rocker Arms assembly. No more guessing games with valve measurements, as we have thoughtfully included the rocker arms assembly to ensure compatibility.The cylinder has a 50mm bore, giving you 100cc of power. The intake valve diameter is 23mm, and the exhaust valve diameter is...

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