Yamaha - Bolt, flange - 90105-12064-00 Mercury-250HP-4-6L-V8-Racing-2019 The reduced restriction of this

The reduced restriction of this fitting allows more water to flow from the pump

A: Check it every few months and replace it when about half of the metal has worn away or shows deep pitting

It fits Mercury 200–300 horsepower EFI and DFI TwoStroke outboards

Provide smooth

Fits 3'' dash hole for a round look with retro fit of 4-1/2'' dash hole for standard Seastar square look

Yamaha - Bolt, flange - 90105-12064-00 Mercury-250HP-4-6L-V8-Racing-2019 The reduced restriction of this90105 12064 00 BOLT, FLANGE WARNING: 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.