Yamaha YFM80T Owner's Manual page 325

Model
Final gear oil:
Type
Quantity:
Total amount
Air filter:
Fuel:
Type
Tank capacity
Reserve amount
Carburetor:
Type/manufacturer
Spark plug:
Type/manufacturer
Gap
Clutch type:
SAE 80API "GL-4" Hypoid gear oil
0.12 L
Wet type element
Unleaded gasoline only
For Europe: Regular Unleaded gasoline only
with a research octane number of
91 or higher
6.8 L
0.9 L
VM16SH/MIKUNI
CR7HS/NGK
0.6–0.7 mm
Wet, multiple-disc automatic
10-3
YFM80