Seller notes

Piston Ring Set - Standard - 13011-121-762 - Honda ATC/CL/CT/S/SL/ST90 CM91 Standard piston ring set for the stock / standard bore on many of the Honda 90cc models. If you're just freshening up your top end and having the cylinders honed, install a fresh set of rings to ensure a tight fit. Make sure to stagger the ring gaps according to the manual. Set comes with 4 rings and the oil ring spacer. Be very careful when installing the cylinder over new rings, it's helpful to have the proper tool to ...

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