KYMCO MXU 250 Service Manual

Comprehensive KYMCO MXU 250 Service Manual covering all configurations of the MXU 250. Features include detailed diagrams, step-by-step repair instructions, and troubleshooting guides. Publication number C4085-91017.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Kymco Models Covered & Key Technical Specifications

Models: KYMCO MXU 250
Sub-models / Variants: LB50AD, LB50AA
Trade Names: MXU
Technical Data:

  • Engine displacement: 249 cm³ (15.2 cu-in)
  • Engine type: Single cylinder, O.H.C., 4-stroke
  • Compression ratio: 10.3:1
  • Bore x stroke: 72.7 x 60 mm (2.9 x 2.4 in)
  • Fuel capacity: 12.5 L (3.25 US gal)
  • Cooling type: Liquid cooled
  • Starter system: Electric/Recoil starter
  • Transmission type: Automatic centrifugal (CVT)
  • Idle speed: 1500 ±100 rpm
  • Spark plug: DPR7EA-9
  • Spark plug gap: 0.6–0.7 mm (0.002–0.003 in)
  • Valve clearance (cold): Intake 0.1 mm (0.004 in), Exhaust 0.1 mm (0.004 in)
  • Battery capacity: 12V 12AH
  • Drive system: Chain drive
Technical Specifications
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Document Number / Seller:
24014 / Michelle White
File Size:
15.22 MB
File Type:
PDF
Language:
English
Pages:
276
Printable:
Yes
Category:
ATV
Last updated / verified
Apr 8, 2025

Kymco Manual Features & Content Preview

KYMCO MXU 250 Factory Service Manual Coverage

  • Covers the 2004–2005 KYMCO MXU 250 (LB50AD/AA) with liquid-cooled 4-stroke O.H.C. engine and automatic centrifugal drive system
  • Official OEM publication P/N LBA7 (referenced in document), date unspecified
  • Contains 8 exploded-view diagrams, 2 electrical circuit schematics, and 3 comprehensive torque tables for engine and frame components
  • Files are delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • Stored against your account so you can retrieve it after a hard-drive loss
  • This 276-page publication is the technical source for the LB50AD series, providing official factory data for engine, chassis, and drivetrain components

Technical Scope and Data Documentation

This KYMCO MXU 250 service manual documents the technical requirements for the maintenance, disassembly, and assembly of the ATV. Chapters cover frame cover removal, exhaust muffler system, and internal engine component inspection. The manual provides reference values for cylinder compression, spark plug gaps, and electrical systems, along with diagrams for cable routing and troubleshooting.

Specification Highlights

Technical data is presented for major service intervals and component identification. The cylinder compression for the MXU 250 is listed at 15 ±2 kg/cm² in the inspection tables. Intake and exhaust valve clearances are specified at 0.1 mm (0.004 in) in the cylinder head specification table. Engine oil capacity for the MXU 250 is documented at 1.4 liters during standard fluid exchanges.

Reference only — always consult a certified technician before performing service on this equipment. An official 276-page Kymco OEM workshop manual covering the MXU 250, documenting engine, chassis, electrical, and cooling system specifications for the LB50AD/AA build.

Document Reference: Form LBA7 (inferred from document header/footer)

Manual FAQ, Purchase & Download Details

Does this KYMCO MXU 250 service manual contain technical specification tables for engine valve clearances and compression pressure? keyboard_arrow_down

Document includes detailed specification tables for engine components, which list critical values such as valve clearance settings for both intake and exhaust valves, as well as the established compression ratio.

Are wiring diagrams for the ON ROAD and OFF ROAD variants included in this PDF? keyboard_arrow_down

Service manual contains comprehensive wiring diagrams for both the ON ROAD and OFF ROAD model configurations, which can be found in the General Information section.

Does the manual provide a list of special tools required for service procedures? keyboard_arrow_down

General Information chapter lists the specialized tools recommended for use on the machine, including specific tool numbers for items such as the flywheel puller, valve adjuster, and clutch spring compressor.

What is the total page count for this KYMCO MXU 250 Service Manual PDF download? keyboard_arrow_down

Digital service manual for the KYMCO MXU 250 (LB50AD/AA) consists of 276 pages.

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