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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
To replace OEM: 21121-0042
Yamaha MT 125 (2020-2022)
To replace OEM bottom: 49001081000
Honda CB 1300 Super Four (SC40) (1998)
Big Bore Cylinder Barrel Kit: Aprilia SR 50 (1994-2000) Yamaha XV1000 To replace OEM: 21121-0042Brand new big bore cylinder barrel kit to fit: Aprilia SR 50 (1994 2000). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia SR50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc. Not R Model.
