Athena Crankshaft Kit Yamaha Zuma 50cc Horizontal - 10mm Engine Swap setup will also work with

setup will also work with the factory intake air box

Comes in a pack of 4 with jet sizes 48

and also a good idea to have one packed for a ride

Effective temperature range -10~ 60ºC (14~ 140ºF)

Display unit : DC 0

Athena Crankshaft Kit Yamaha Zuma 50cc Horizontal - 10mm Engine Swap setup will also work withThe Athena OEM Replacement Crankshaft for the Yamaha Zuma 50 Horizontal Engine is designed to replace the Yamaha Zuma 50's crankshaft without modification to fit. It also includes the piston wrist pin and build quality that can only be rivaled by OEM Yamaha. Athena has been around for quite some time developing all sorts of products including big bores and gaskets. You've seen their race cylinder kits, now see how well their OEM Replacement