Yamaha - Packing, lower casing - 69G-45315-A0-00 Yamaha F90 Outboard Lower Unit Assemblies Q3: How does it handle

Q3: How does it handle saltwater

Trim response is quick and predictable when you’re setting the boat on plane or adjusting for chop

steady fuel-level information

This product has been superseded by: 1399-4215

Yamaha - Packing, lower casing - 69G-45315-A0-00 Yamaha F90 Outboard Lower Unit Assemblies Q3: How does it handleYamaha Lower Casing Packing Sealing Gasket 69G 45315 A0 00 Overview This is one of those small parts that can cause big problems if its not doing its job. The lower casing packing seals up the gearcase area, keeping oil in and water out where it matters most. Ive seen perfectly good lower units take damage just because a seal like this was worn or reused too many times. When its fresh and seated right, you dont have to worry about whats happening