Yamaha Outboard Motor Genuine Primary Pump for 6mm Hose Inner Diameter

This is a primary pump for Yamaha outboard motors. Yamaha outboard motor fuel hoses come in two sizes: 6mm and 8mm. 2-stroke engines up to 90 horsepower and 4-stroke engines up to 60 horsepower use 6mm fuel hoses. Outboard motors larger than this use 8mm fuel hoses. Primary pump for 6mm fuel hoses 2-stroke engines up to 90 horsepower and 4-stroke engines up to 60 horsepower