4. LUBRICATION SYSTEM UXV 500 SERVICE INFORMATION GENERAL INSTRUCTIONS · The oil pump service may be done with the engine installed in the frame. · When removing and installing the oil pump use care not to allow dust or dirt to enter the engine. · If any portion of the oil pump is worn beyond the specified service limits, replace the oil pump as an assembly. · After the engine has been installed check that there are no oil leaks and that oil pressure is correct. SPECIFICATIONS Unit: mm (in) ITEM STANDARD SERVICE LIMIT At draining 3 liter (2.64 lmp qt, 3.18 Us qt) Engine oil At disassembly 3.6 liter (3.17 lmp qt, 3.82 Us qt) capacity At draining and oil filter cartridge change 3.2 liter (2.82 lmp qt, 3.39 Us qt) KYMCO 4-stroke oil or equivalent motor oil Recommended engine oil API service classification SJ Viscosity: SAE 5W-50 Tip clearance 0.15 (0.006) max 0.2 (0.008) Oil pump rotor Body clearance 0.15 0.2 (0.006 0.008) 0.25 (0.01) Side clearance 0.04 0.09 (0.0016 0.0036) 0.12 (0.0048) TORQUE VALUES Oil pump screw 0.3 kgf-m (3 N-m, 2 lbf-ft) Oil strainer screen cap 1.5 kgf-m (15 N-m, 11 lbf-ft) Apply oil to the threads and seating surface. Oil filter cartridge 1 kgf-m (10 N-m, 7 lbf-ft) Apply oil to the threads and seating surface. Oil pipe bolt 3.5 kgf-m (35 N-m, 25.2 lbf·ft) Apply oil to the threads and seating surface. Special tool: Oil seal & bearing drive A120E00014 4-2