Yamaha Oil Tank Cap Assembly - 6E5-21770-03-00 MerCruiser-4-5L-MPI-Bravo-1997 Designed to optimize fuel burn

Designed to optimize fuel burn at mid-range speeds

Spacer-blackWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer

high-efficiency filtration to keep your fuel clean and your engine running at peak performance

weak water pump

Yamaha Oil Tank Cap Assembly - 6E5-21770-03-00 MerCruiser-4-5L-MPI-Bravo-1997 Designed to optimize fuel burnYamaha 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