52mm Cylinder Piston Gasket Rebuild Kit 125cc For Yamaha YZF-R 125, MT 125, WR 125, VP 125 X-CITY, YP 125 X-MAX. Kit is for standard bore size - 52mm, 14mm steel piston pin. Bore Size: STD 52mm. If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you.
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