4. LUBRICATION SYSTEM
4-2
XCITING 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.
• For oil pressure indicator inspection, refer to section 20 of this manual.
SPECIFICATIONS Unit: mm (in)
ITEM STANDARD SERVICE LIMIT
At draining 2.0 liter (2.1 US qt, 1.8 lmp qt) ⎯
At disassembly 2.5 liter (2.7 US qt, 2.2 lmp qt) ⎯
En
ine oil
capacity
At oil filter change 2.1 liter (2.2 US qt, 1.9 lmp qt) ⎯
Recommended engine oil KYMCO 4-stroke oil or
equivalent motor oil
API service classification SJ
Viscosity: SAE 5W-50
⎯
Tip clearance 0.15 (0.006) max 0.2 (0.008)
Body clearance 0.15 – 0.2 (0.006 – 0.008) 0.25 (0.01)
Oil pump rotor
Side clearance 0.04 – 0.09 (0.0016 – 0.0036) 0.12 (0.0048)
TORQUE VALUES
Oil pump screw 3 N•m (0.3kgf•m, 2 lbf•ft)
Oil cooler bolt 35 N•m (3.5 kgf•m, 25 lbf•ft)
Oil pressure switch 22 N•m (2.2 kgf•m, 16 lbf•ft) Apply sealant to threads.
Oil strainer screen cap 15 N•m (1.5 kgf•m, 11 lbf•ft)
Apply oil to the threads and seating surface.
Oil filter cartridge 10 N•m (1 kgf•m, 7 lbf•ft)
Apply oil to the threads and seating surface.
TOOLS
Oil filter wrench E052
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