Normally Enabled Required cookies are absolutely essential for the website to operate properly. These cookies guarantee basic functionalities and security features of the website, anonymously. Thrust Boosting Reverse Exhaust keeps exhaust bubbles from the propeller under 2500 RPM and when in reverse. What this means is the prop bites only https://yamaha300hpoutboard17394.tinyblogging.com/5-easy-facts-about-300-hp-outboard-for-sale-described-79054384