The Yamaha NOS YR1 YR2 YR2C Piston Rings X2 Sets in size 0.25 are genuine OE parts made in Japan by Yamaha. So there are x4 rings which I have checked are in the boxThese classic piston ring sets are designed for street motorcycles and come with two sets of piston rings included. With the manufacturer part number 168-11631-20, these high-quality piston rings are a perfect fit for Yamaha motorcycles, with 3 port or 5 port (But not YR3 ) ensuring optimal performance and longevity. Upgrade your engine with these reliable and authentic Yamaha piston rings for a smooth and efficient ride.
