KYMCO MXU 300 / MXU 250 Service Manual

KYMCO MXU 300/250 service information including engine, chassis, and electrical systems. PN 17211-KGB4-E00

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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 300, KYMCO MXU 250
Sub-models / Variants: 250, 300, Off Road, On Road
Technical Data:

  • Engine type: O.H.C. 4-stroke single cylinder
  • Engine displacement: 249 cc (MXU 250), 270 cc (MXU 300)
  • Cooling type: Liquid cooled
  • Starting system: Electric/Recoil starter
  • Transmission type: Automatic (V-belt) with reverse
  • Spark plug: DPR7EA-9
  • Battery capacity: 12V12AH
Technical Specifications
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Document Number / Seller:
25731 / Christopher Cooper
File Size:
18.96 MB
File Type:
PDF
Language:
English
Pages:
351
Printable:
Yes
Category:
ATV
Last updated / verified
Jun 3, 2025

Kymco Manual Features & Content Preview

Inside the 2005 KYMCO MXU 300/250 Service Manual

  • Built for owners and workshops servicing the 2005 KYMCO MXU 300 and KYMCO MXU 250 ATV models
  • Official KYMCO manufacturer publication, covering the full 2005 lineup
  • Contains 161 exploded-view diagrams, 24 electrical wiring schematics, and 351 pages of technical information
  • File link appears in your order confirmation straight away
  • OCR text layer lets you jump to a torque spec by keyword
  • This 351-page service publication is the primary reference for the MXU series, documenting engine, chassis, and electrical system diagnostics

Component and System Documentation

The KYMCO MXU 300 and KYMCO MXU 250 service manual provides technical data for the maintenance and inspection of the entire vehicle. Chapters detail the removal and installation of frame covers, exhaust mufflers, and engine components. Readers will find information on the lubrication system, fuel system operation, and electrical components including the battery, charging system, and AC generator. The manual also details internal engine components, including the cylinder head, valves, piston, and transmission drive pulleys.

Specifications and Technical References

This KYMCO MXU 300 and KYMCO MXU 250 manual includes comprehensive data tables for essential maintenance. Cylinder compression for the MXU 300 is documented at 16 kg/cm² (1600 kPa, 227 psi). The rear final gear case oil capacity for the MXU 300 is specified at 150 cc during disassembly. Intake and exhaust valve clearance is documented at 0.1 mm in the cylinder head specification table. These records serve as an official guide for workshop maintenance procedures to ensure proper engine and chassis operation.

Note: This document is a technical reference for qualified mechanics. Reference only — always consult a certified technician before performing service on this equipment.

An official 351-page KYMCO OEM service manual covering the 2005 MXU 300 and MXU 250, documenting engine, chassis, electrical, and fuel system specifications for this ATV series.

Document Reference: Original OEM manufacturer publication, 2005

Manual FAQ, Purchase & Download Details

Which objective document details, such as page count, are associated with this KYMCO MXU 300/250 service manual? keyboard_arrow_down

Professional service manual spans 351 pages of technical information in an English-language PDF format. The digital document is designed to provide comprehensive content for the specified ATV models.

Are tightening specification tables included for critical engine and frame fasteners? keyboard_arrow_down

Yes, the manual contains detailed torque value tables for various important fasteners, including cylinder head components, axle hardware, and engine mounting bolts.

Is there coverage for major mechanical and electrical systems in the chapter layout? keyboard_arrow_down

Table of contents confirms the manual covers a wide range of systems including the engine lubrication, fuel system, cooling system, and electrical equipment such as the charging and ignition systems. These chapters provide technical overviews, exploded illustrations, and system diagrams for the listed assemblies. The document is organized to present information starting from general information through detailed mechanical and electrical sections.

What fluid capacity and service data tables are contained within this document? keyboard_arrow_down

Manual includes technical specification tables that list engine oil capacities, lubricant types, and spark plug requirements for both the MXU 300 and MXU 250 model variants.

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