Piston kit 40/12 for Yamaha DT50MX/DT50R 1992-1995

Suitable for Cylinder, but also for many other 40 mm cylinders: 22999 Cylinder kit 50cc for Yamaha DT All NTS pistons are of very high quality and are always manufactured in Taiwan, in a factory with over 50 years of experience in piston manufacturing, according to NTS's own manufacturing data and CAD drawings. Remember to turn the beveled piston rings in the right direction. If an oil ring is supplied, it can be mounted on the lower piston ring groove. The piston must be oiled when assembled and do not forget to check the needle bearing! For the longest possible durability and service life, the piston should be "run in" during the first approx. 20 miles. *Pistons marked with an arrow, the direction of the arrow should be towards the exhaust port. *Pistons marked with IN, IN should be towards the intake.