3. INSPECTION/ADJUSTMENT MXU 550EXi/MXU500i Tire pressure ON ROAD 1 Rider Front 0.38kgf/cm (38Kpa, 5.5psi) Rear 0.35 kgf/cm (35Kpa, 5.0psi) OFF ROAD 1 Rider Front 0.35kgf/cm (35Kpa, 5.0psi) Rear 0.32 kgf/cm (32Kpa, 4.5psi) Tire size: Front : 25X8-12 Rear : 25X10-12--OFF ROAD Front : 26X8-14 Rear : 26X10-14--ON ROAD TORQUE VALUES Spark plug 1.2 kgf-m (12N-m) Tappet ADJ nut 0.9 kgf-m (9 N-m) Engine oil filter 1.0 kgf-m (10N-m) Engine oil drain plug 2.5 kgf-m (25 N-m) Front drive gear oil Tie-rod lock nut 2.5 kgf-m (25 N-m) Front wheel hub nut 6.1 kgf-m (61 N-m) Rear wheel hub nut 6.1 kgf-m (61 N-m) SPECIAL TOOLS Valve adjusting wrench A120E00080 Oil cartridge wrench A120E00052 3-2