NCY Ring Set (50mm); Dio/DD50 Big Bore Kit 88 If the engine code includes

If the engine code includes "QM" or "FM" and uses an AC-based CDI system

Vespa GT125 - VNL Vespa GTR125 - VNL Vespa PX125 - VNX Vespa P125X - VNX Vespa PX125E - VNX Vespa PX150 - VLX Vespa Sprint 150 - VLB Vespa PX150E - VLX

These are the same metal signs given to Genuine dealers when they sign up

Vendor: Mitsuboshi

Vacuum Fitting Diameter: 4mm

NCY Ring Set (50mm); Dio/DD50 Big Bore Kit 88 If the engine code includesThe 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