3. INSPECTION/ADJUSTMENT MXU 550EXi/MXU500i ENGINE OIL REPLACEMENT AND OIL FILTER CLEANING 1. Place the machine on a level place. 2. Warm up the engine for several minutes and stop it. 3. Place a container under the engine. 4. Remove the oil filler cap (1). Be sure no foreign material enters the crankcase. 5. Remove the oil filter cap (2) to drain the oil. The engine oil will drain more easily while the engine is warm. 6. Clean the oil strainer with solvent. Inspect the O-ring and replace if damaged. Reinstall the O-ring, oil strainer, compression spring and oil filter cap. Tighten the oil filter cap to specification. Torque: 1.5 kgf-m (15 N-m) Compression Spring O-ring 7. Fill the engine with oil and install the oil filler cap. Engine oil capacity At disassembly: 3.6 liter At change: 3.0 liter Oil Strainer Oil Filter Cap 3-13