Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 43Get this manual
INSP ADJ
OIL INJECTION SYSTEM
AIR BLEEDING THE OIL INJECTION SYSTEM 3
Bleed: Air bubbles (from the oil injection system) Bleeding steps (1) Fill the fuel tank with the fueloil mixture (50:1)Recommended fuel Fuel type Unleaded regular gasoline Fuel rating PON: 86 RON: 91 Recommended engine oil Engine oil type 2-stroke outboard engine oil Engine oil grade TC-W3