Yamaha Oil Tank Cap Assembly - 6E5-21770-03-00 MerCruiser-4-5L-MPI-Bravo-1997 Iso 7840 kit

Iso 7840 kit

OEM Fit and Seal – Matches original specifications for proper installation and dependable sealing

There’s a quiet confidence that comes from knowing your outboard is running at the exact temperature it was designed for

Designed for Yamaha outboard engines utilizing mechanical shifting systems

Constructed from heavy-duty coated nylon

Yamaha Oil Tank Cap Assembly - 6E5-21770-03-00 MerCruiser-4-5L-MPI-Bravo-1997 Iso 7840 kitYamaha Oil Tank Cap Assembly Oil System 6E5 21770 03 00 Overview This is one of those parts you dont think about until it starts causing a mess or letting air into the system. A good oil tank cap needs to seal tight and keep everything where it belongs, especially on 2 stroke setups where oil flow matters. Ive seen cracked or loose caps lead to leaks and even affect how oil feeds into the motor. Swapping it out is a simple fix that keeps your oil