2005–2006 KYMCO XCITING 500/250 Scooter Service & Repair Manual

This KYMCO service manual covers the carbureted 2005–2006 XCITING 500 and XCITING 250 maxi-scooters. Its 21 sections document maintenance, troubleshooting, and repair for the engine, drivetrain, chassis, and electrical systems.

PDF Search, Wiring Detail, and Page Count

Text search and diagram detail — You can search the procedure text. The main wiring diagrams and many harness-routing labels are embedded as images. The PDF has no embedded bookmarks. Small wire and connector labels require zooming, and some labels in the XCITING 500 diagram remain pixelated at higher magnification.

The download is one printable English-language 420-page PDF. The total includes 418 chapter pages, one opening title page, and one preface and contents page.

Engine, CVT, Brake, and Electrical Service

These selected service topics illustrate the manual’s scope. Other sections cover headlight aim and flywheel and starter-clutch service.

• Engine repair — Engine removal and installation, cylinder-head disassembly, valve and piston inspection, camshaft installation, and crankcase separation.

• CVT and final reduction — Drive-belt replacement, drive and driven pulley disassembly, clutch inspection, and final-drive gear, shaft, and bearing service.

• Fuel system — CVK carburetor overhaul, float and diaphragm inspection, automatic-choke testing, fuel-pump diagnosis, and fuel-tank removal.

• Cooling and lubrication — Cooling-system pressure testing and air bleeding, thermostat checks, water-pump service, oil-pump inspection, and lubrication diagrams.

• Brakes and chassis — Combination-brake bleeding, pad replacement, steering-bearing service, wheel inspection, and front fork and rear shock absorber removal and installation.

• Electrical diagnosis — Charging, ignition, and starter tests supported by model-specific wiring diagrams, cable-routing views, and troubleshooting flowcharts.

The manual suits mechanics and experienced owners familiar with component measurements and electrical testing. Internal engine and clutch work calls for the specified special tools and workshop equipment.

Engine Inspection and Drivetrain Repair

Cylinder-head coverage includes camshaft, rocker-arm, valve, and valve-guide inspection. Compression tests and cylinder-to-piston measurements help diagnose poor engine performance. Model-specific procedures cover valve timing and reassembly.

For the XCITING 500, a fitting table uses journal codes and bearing colors to match the crankshaft and crankcase. The manual also covers balancer-shaft inspection and alignment.

The pulley chapter gives separate wear limits for the belt, rollers, clutch lining, and pulley bushings. It specifies clutch spring compressor E053 for the 500 and E034 for the 250. The lubrication chapter covers oil-pump rotor checks, oil-pressure troubleshooting, and oil-cooler service for the 500.

CVK Carburetors and Fuel Delivery

Carburetor procedures cover the jets, float valve, vacuum piston, enrichment valve, and accelerator-pump diaphragm. The automatic choke has a functional test and is serviced as an assembly.

The fuel system drawings distinguish the 500’s electric pump from the 250’s vacuum-operated pump. The 500 has dedicated pump resistance and delivery-volume tests. Fuel-filter inspection and fuel-tank removal are also covered.

Cooling-System Tests and Water-Pump Service

Separate coolant-flow diagrams accompany radiator-cap testing, thermostat inspection, coolant replacement, and air bleeding. The 250’s water-pump procedures include shaft-bearing and mechanical-seal replacement.

The 250’s water-pump impeller has a left-hand thread. Turning it as though it had a conventional thread risks thread damage. The manual also warns that coolant with silicate inhibitors can wear pump seals prematurely or obstruct radiator passages.

Linked Brakes, Steering, and Bodywork

The brake chapter gives separate fluid replacement and bleeding procedures for the front circuit and the combination-brake circuit with its delay valve. The 500 has dedicated coverage for its parking-brake caliper, cable adjustment, and lever linkage.

The chassis chapters cover wheel-bearing replacement, steering-stem service, and front fork removal and installation. Rear shock service covers inspection for leakage and bushing wear and replacement of the shock as an assembly. The bodywork chapter shows how to remove frame covers, panels, and the exhaust muffler for access.

Follow the manual’s precautions for brake work, hot coolant, and electrical isolation.

Charging, Ignition, and Starting Faults

The weak-battery flowchart helps narrow a charging fault by separating current leakage, alternator-coil, wiring, and regulator/rectifier checks before parts are replaced.

Ignition coverage includes pulse-generator tests and separate ignition-control-module resistance tables for each model. The electrical chapters also cover starter-motor service, switch checks, speed-sensor adjustment, the 500’s bank-angle sensor, and the carburetor heater controller.

Drive-Face Torque and Engine Check Examples

The drive-face nut torque is 135 N·m for the XCITING 500 and 93 N·m for the XCITING 250. The installation specifications apply with oil on the threads and seating surface.

The XCITING 250 compression-test reference is 15 kgf/cm² with the engine at normal operating temperature and the throttle fully open. The maintenance chapter gives a spark plug gap of 0.6–0.7 mm for both models.