Yamaha YXR70FX Owner's Manual page 162

Engine oil:
Type:
Recommended engine oil classification
Quantity:
Without oil filter cartridge replacement
With oil filter cartridge replacement
Model
0
10 30
YAMALUBE 4 (20W-50) or SAE 20W-50
YAMALUBE 4 (10W-40) or SAE 10W-40
YAMALUBE 4-CW (5W-30) or SAE 5W-30
-20 -10 0
API service SG type or higher, JASO standard MA
NOTICE
In order to prevent clutch slippage (since the en-
gine oil also lubricates the clutch), do not mix any
chemical additives with oil. Do not use oils with a
diesel specification of "CD" or oils of a higher qual-
ity than specified. In addition, do not use oils la-
beled "ENERGY CONSERVING II" or higher.
2.00 L (1.76 Imp qt, 2.11 US qt)
2.10 L (1.85 Imp qt, 2.22 US qt)
10-2
YXR70FX
90 110 130 ˚F
50 70
20 30 40
10
50 ˚C