Yamaha Outboard Motors Factory Service Manual F6 and F8, Page 54Get this manual
GENERAL SPECIFICATIONS (F8CW) Model F8CW Unleaded regular gasoline 86 91 4-stroke engine oil API SE, SF, SG or SH SAE 10W-30, 10W-40 800 (27.0, 28.2) Hypoid gear oil GL-4 (SAE #90) 150 (5.1, 5.3)
Item FUEL AND OIL Fuel type Fuel rating Engine oil type Engine oil grade
World wide USA, Canada
Total quantity Gear oil type Gear oil grade Gear oil capacity