Yamaha YFM90RYXJ Owner's Manual page 125

Type:
SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-40 or 20W-
50
0 10 30 50
SAE 5W-30
SAE 10W-30
SAE 10W-40
–20 –10 0 10
Recommended engine oil grade:
API service SG type or higher, JASO standard MA
Engine oil quantity:
Periodic oil change:
0.80 L (0.85 US qt, 0.70 Imp.qt)
Transmission oil:
Type:
SAE 80W-90
Quantity:
0.35 L (0.37 US qt, 0.31 Imp.qt)
Air filter:
Air filter element:
Wet element
70 90 110 130 ˚F
SAE 15W-40
SAE 20W-40
SAE 20W-50
20 30 40 50 ˚C
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
6.6 L (1.74 US gal, 1.45 Imp.gal)
Fuel reserve amount:
0.9 L (0.24 US gal, 0.20 Imp.gal)
Carburetor:
Type × quantity:
H66D x 1
Spark plug (s):
Manufacturer/model:
NGK/CR6HSA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Dry, centrifugal automatic
Transmission:
Secondary reduction system:
Chain drive
Secondary reduction ratio:
35/14 (2.500)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic type
Chassis:
Frame type:
Steel tube frame
10-2
10