Yamaha - Piston ring set (0 - 68D-E1604-00-00 Yamaha F90 Outboard Lower Unit Assemblies though they typically last longer

though they typically last longer than in saltwater

Aftermarket alternatives often look similar but rarely match the precise casting

supporting confident operation and dependable monitoring

Whether you’re topping off or doing a full service

and you’ve got everything you need to keep tabs on your engine in one place

Yamaha - Piston ring set (0 - 68D-E1604-00-00 Yamaha F90 Outboard Lower Unit Assemblies though they typically last longerThis product has been superseded by: 67D 11604 00 00 68D E1604 00 00 PISTON RING SET (0WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.