Kymco Xciting 500 - Master Maintenance & Torque Guide

The Kymco Xciting 500 relies on a heavy-duty finned aluminum voltage regulator/rectifier to manage its higher-output charging system. On a 500cc-class scooter with more electrical accessories drawing current, regulator failure is a common root cause of intermittent electrical faults that get misdiagnosed as battery or stator problems.

⚡ Quick Maintenance Specs & Direct Answers

  • Engine Oil: SAE 5W-50 / 10W-40 Synth API SL/SM JASO MB
  • Engine Oil Capacity: 2.0L (Drain/Without Filter) / 2.2L (With Filter Change)
  • Gear Oil & Capacity: SAE 80W-90 GL-5 (450ml Refill / 500ml Total)
  • Oil Filter: Paper Filter OEM # 15400-LBA2-E00
  • Air Filter: OEM # 17211-LBA2-900
  • Spark Plug & Gap: NGK CR8E (0.7 - 0.8 mm gap)

Engine Fluids, Gear Oil & Filter Specifications

Engine Oil Viscosity & StandardSAE 5W-50 / 10W-40 Synthetic API SL/SM JASO MB
Engine Oil Capacity2.0 L (without filter) / 2.2 L (with filter)
Final Drive / Gearbox OilSAE 80W-90 GL-5 — 450 ml (refill) / 500 ml (total)
OEM Oil Filter Part Number15400-LBA2-E00 (Paper filter cartridge)
OEM Air Filter Element Part Number17211-LBA2-900
Spark Plug Model & Electrode GapNGK CR8E (0.7 – 0.8 mm)
Field note: The Xciting 500 engine holds 2.0L for oil drains and 2.2L when changing the 15400-LBA2-E00 paper filter element. Final drive gear oil capacity is 450ml refill (500ml total).

Charging & Electrical System

ComponentVoltage Regulator / Rectifier
OEM Part Number31600-LBA2-E00
DimensionsHeavy duty finned aluminum body
Torque SpecMounting bolts: 10 Nm (7 lbf·ft)
Electrical SpecCharging output: 14.0 - 15.0 V
Cross-CompatibilityKymco Xciting 250
Field note: Torque regulator mounting bolts to 10 Nm.
Cylinder Head Assembly (Liquid-Cooled SOHC)
Part No.QtyPart NameNotes
12200-LBA2-E001Head Comp., CylinderLargest-displacement Kymco single covered in this catalog; resurface flatness < 0.05mm
12210-LBA2-E001Valve, ExhaustCheck margin thickness > 0.5mm before reuse
12220-LBA2-E001Valve, InletLarger head diameter — do not swap positions
12251-LBA2-E001Gasket, Head Cyl.Single-use metal composite; never reuse
14100-LBA2-E001Camshaft Comp.Chain-driven; inspect lobe wear before reinstall
Crankshaft & Piston Assembly
Part No.QtyPart NameNotes
13300-LBA2-E001Crankshaft Comp.Check runout < 0.03mm; also carries the 18-pole stator (see electrical section above)
13210-LBA2-E001Connecting RodBig-end side clearance spec: 0.1-0.4mm
13010-LBA2-E001Piston (Std.)Domed piston, 3-ring set
13111-LBA2-E001Piston PinLightly oil before install; hand-pressure fit only
13115-LBA2-E002Piston Pin Clip (Circlip)Directional installation — see expert note below
Field note: On the largest single-cylinder engine in this Kymco range, the piston pin circlips must be installed with the opening gap oriented 90° to piston travel, never fore-or-aft. A backward clip compresses under load until it ejects into the crankcase, and because the flywheel/stator assembly sits in the same crankcase, any debris from an ejected clip can also contaminate the charging system windings. Use only new clips and confirm full seating by feel before closing the case.

OEM Body Panels & Color Matching

Part NamePearl WhiteMatte TitaniumDeep Blue
Front CowlConsult Service ManualConsult Service ManualConsult Service Manual
LH Side PanelConsult Service ManualConsult Service ManualConsult Service Manual
RH Side PanelConsult Service ManualConsult Service ManualConsult Service Manual
WindscreenConsult Service ManualConsult Service ManualConsult Service Manual
Rear Trunk CoverConsult Service ManualConsult Service ManualConsult Service Manual
Field note: As Kymco's flagship maxi-scooter, the Xciting 500's large touring fairings have significant surface area exposed to UV, and mounting tabs become brittle around the same three-year mark seen across the brand's lineup. Never use an impact driver on body screws, and apply silicone grease to rubber grommets before removal so large panels flex free without snapping a tab.

Official Technical Reference

The specifications above are cross-checked wherever possible, but this guide does not replace the factory service manual. Before ordering parts or performing a repair, confirm current fitment and revision bulletins directly with Kymco USA.

Visit Kymco USA Official Site & Parts Resources