Hey Honda dirt bike riders! If you're rebuilding the top end on your XL75, XL80, XR75, XR80, or CRF80, you're gonna need this gasket. It's brand new, still in its original packaging, and ready to seal things up right. This is a cylinder base gasket – that crucial piece that goes between the cylinder and the engine cases. The part numbers are 12191-149-000 and 12191-GN1-730 (also 12191-GN1-731). It's made by Nippon Machines right here in the USA, and comes with a 1-year manufacturer warranty for peace of mind. The source is listed as 12191-GN1-730, so you know it's the correct spec. When you're doing a top-end rebuild, piston replacement, or just fixing an oil leak, a fresh base gasket is non-negotiable. Don't reuse the old crushed one – start fresh with this quality gasket for a proper seal. Perfect for DIY mechanics, motorcycle shops, or anyone keeping these classic Honda thumpers running strong. Whether you're restoring a vintage bike or maintaining your trail machine, this gasket is a small part that makes a big difference in your engine's health.