Yamaha Service manual - F30 F40 - LIT-18616-03-15 Mercury 40-50-60 EFI Outboard Parts & Service Kits (1C050252 - 1C453839) A great solution to provide

A great solution to provide a scupper check valve in the drain line

Q2: What size dash hole does it fit

MAR-MTRCV-1C-15 - This particular cover is for all Yamaha F150 (2014 or older) outboards and is constructed of durable SurLast solution-dyed polyester fabric

Replacing it when it becomes heavily eroded helps keep the outboard bracket protected and extends the life of the engine's external components

and disconnect when done

Yamaha Service manual - F30 F40 - LIT-18616-03-15 Mercury 40-50-60 EFI Outboard Parts & Service Kits (1C050252 - 1C453839) A great solution to provideYamaha Service manual F30 F40 LIT 18616 03 15 Models F30, F30LA, F30LEHA, MF30LA, MF30LEHA F40EFI 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.