Yamaha WOLVERINE 450 YFM45FXY Owner's Manual page 138

Engine oil:
Type:
SAE 5W-30 or SAE 10W-30 or SAE 10W-40 or SAE
15W-40 or SAE 20W-40 or SAE 20W-50
-20 -10 0
SAE 5W-30
SAE 10W-30
Recommended engine oil grade:
API service SG type or higher, JASO standard MA
Engine oil quantity:
Without oil filter cartridge replacement:
10
2.30 L (2.43 US qt, 2.02 Imp.qt)
With oil filter cartridge replacement:
2.40 L (2.54 US qt, 2.11 Imp.qt)
Final gear oil:
Type:
SAE 80 API GL-4 Hypoid gear oil
Quantity:
0.23 L (0.24 US qt, 0.20 Imp.qt)
20 30 40
10
SAE 10W-40
SAE 15W-40
SAE 20W-40
SAE 20W-50
Differential gear oil:
Type:
SAE 80 API GL-4 Hypoid gear oil
Quantity:
0.35 L (0.37 US qt, 0.31 Imp.qt)
Cooling system:
50 ˚C
Coolant reservoir capacity (up to the maximum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes):
1.32 L (1.40 US qt, 1.16 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
14.5 L (3.83 US gal, 3.19 Imp.gal)
Fuel reserve amount:
4.5 L (1.19 US gal, 0.99 Imp.gal)
Carburetor:
Manufacturer:
MIKUNI
Type × quantity:
BSR33 x 1
Spark plug (s):
Manufacturer/model:
NGK/DR8EA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
10-2