Decal says: ENGINE CRANKCASE SERVICE EVERY 150 HOURS USE ONLY "MM" OR "MS" TYPE OIL ABOVE 90 F SAE 30 OR SAE 20 W-40 32 TO 90F SAE 20-20W OR SAE 10W-30 -10 TO 32F SAE 10W OR SAE 10W-30 BELOW -10F SAE 5W OR SAE 5W-20
