2015 Kawasaki Jet Ski Ultra 310X SE Owners Manual - Page 150

jMAINTENANCE AND ADJUSTMENTS 149 Engine Oil In order for the engine to function properly, maintain the engine oil at the proper level, and change the oil and replace the oil filter in accordance with the Periodic Maintenance Chart. Not only do dirt and metal particles collect in the oil, but the oil itself loses its lubricative quality if used too long. Oil Requirements Type: Kawasaki Performance 4-Stroke JET SKI® Watercraft Oil* Kawasaki Performance 4-Stroke Semi-Synthetic Oil* Kawasaki Performance 4-Stroke Full Synthetic Oil* or other 4-stroke oils with API SG, SH, SJ, SL, SM and JASO MA, MA1, MA2 rating ○Do not add any chemical additive to the oil. NOTE Oils fulfilling the above requirements are fully formulated and provide adequate lubrication for the engine. Although 10W-40 engine oil is the recommended oil for most conditions, the oil viscosity may need to be changed to accommodate atmospheric conditions in your riding area. j Viscosity: SAE10W-40 Capacity: 4.5 L (4.8 US qt) when oil and/or filter is changed. 5.5 L (5.8 US qt) when engine is completely dry. *Kawasaki Performance Oils and Lubricants have been specifically engineered for your vehicle. Consistent use of these products meets or exceeds warranty and service requirements and can help to extend the life of your Kawasaki engine.