Yamaha - Collar - 90387-103X9-00 Mercury 250-300 4.6L V8 Racing Torpedo Outboard Parts & Service Kits It is an ideal propeller

It is an ideal propeller for bay and flats boats due to stern lift at hole shot and during acceleration

and stronger throttle response

Yamaha - Injection Pump Assembly | Fuel Delivery System | YF1-60065-10-12

There is nothing to do inside the boat - only the mounting of two actuators and two tabs at the transom

Yamaha - Collar - 90387-103X9-00 Mercury 250-300 4.6L V8 Racing Torpedo Outboard Parts & Service Kits It is an ideal propeller90387 103X9 00 COLLAR 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.