Yamaha GRIZZLY 660 Owner's Manual page 185

Final gear case oil:
Type
Quantity
Differential gear case oil:
Type
Quantity
Radiator capacity (including all routes):
Air filter:
Fuel:
Type
Fuel tank capacity
Fuel reserve amount
Carburetor:
Type / quantity
Manufacturer
Spark plug:
Type/manufacturer
Spark plug gap
Clutch type:
Model
SAE80 API GL-4 Hypoid gear oil
0.25 L (0.22 Imp qt, 0.26 US qt)
SAE80 API GL-4 Hypoid gear oil
0.28 L (0.25 Imp qt, 0.30 US qt)
1.80 L (1.58 Imp qt, 1.90 US qt)
Wet type element
UNLEADED GASOLINE ONLY
20 L (4.40 lmp gal, 5.28 US gal)
3.5 L (0.77 lmp gal, 0.92 US gal)
BSR42 / 1
MIKUNI
DPR8EA-9 / NGK
0.8–0.9 mm (0.031–0.035 in)
Wet, centrifugal automatic
10-3
YFM660FA