NCY Ring Set (50mm); Dio/DD50 Big Bore Kit 88 100% compatible with OEM stainless

100% compatible with OEM stainless steel rotors/disks

Vendor: Mitsuboshi

All five components are hand-selected to work together as a tuned system

For use on most Yamaha engines from 50-100cc 112mm inner diameter

Precision Honing: Optimized cylinder walls for reduced friction and improved ring seating

NCY Ring Set (50mm); Dio/DD50 Big Bore Kit 88 100% compatible with OEM stainlessThe NCY 50mm Piston Ring Set is a direct fit replacement for the Honda Dio and Sym DD50 running a 50mm big bore cylinder kit, providing the correct ring dimensions and tension to maintain proper compression and oil control in an overbored engine. This NCY ring set is matched to the 50mm bore specification to ensure a proper seal against the cylinder wall from the first start. Designed for Honda Dio and Sym DD50 with 50mm big bore cylinder kits