2010 Arctic Cat Prowler XT/XTX/XTZ ATV Service Manual, Page 6Get this manual
RECOMMENDED ENGINE TRANSMISSION OIL
CAUTION
Any oil used in place of the recommended oil could cause serious engine damageDo not use oils which contain graphite or molybdenum additivesThese oils can adversely affect clutch operationAlso, not recommended are racing, vegetable, non-detergent, and castor-based oils
The recommended lubricant for the rear differential is Arctic Cat 80W-90 Hypoid Friction ModifiedThis lubricant meets all of the rear differential lubrication requirements of this vehicle
CAUTION
Any lubricant used in place of the recommended lubricant could cause serious differential damage
FILLING GAS TANK
The recommended oil to use is Arctic Cat ACX All Weather synthetic engine oil, which has been specifically formulated for use in this Arctic Cat engineAlthough Arctic Cat ACX All Weather synthetic engine oil is the only oil recommended for use in this engine, use of any API certified SM 5W-50 oil is acceptable
! WARNING
Always fill the gas tank in well-ventilated areaNever add fuel to the gas tank near any open flames or with the engine runningDO NOT SMOKE while filling the gas tank