Definitive Repair & Service Guide for 250 SX-F EU, 250 SX-F USA, and 250 XC-F USA Motorcycles Owner's Manual 2013

KTM 250 SX-F & XC-F Owner's Manual - 2013 Edition

Engineered for professional-grade off-road competition, this technical manual provides the operational foundation for maintaining the 250 series’ high-performance DOHC architecture. Essential uptime is secured by the precise maintenance of the fuel screen located in the fuel hose connection; periodic replacement of this micro-filter is vital to prevent lean-running conditions and fuel system cavitation in high-debris environments.

Technical Applicability & Model Variants

The specifications contained herein are strictly applicable to the following 2013 model year 250cc four-stroke platforms:

• Motocross Series (SX-F Chassis)
  • 250 SX-F EU
  • 250 SX-F USA
• Cross-Country Series (XC-F Chassis)
  • 250 XC-F USA

Operational Efficiency & Asset Protection

• Proper adherence to the 1-hour, 10-hour, and 20-hour service intervals ensures maximum component longevity and maintains factory performance benchmarks.
• Implementation of the specified running-in procedures prevents premature cylinder wall glazing and ensures optimal piston ring seating.
• Utilization of model-specific suspension settings for Comfort, Standard, and Sport configurations allows for precision chassis tuning based on terrain and rider profile.

Document Metadata

• Print Number: 3211858en
• Total Pages: 103
• Archive Size: 4.15 MB

Powerplant Architecture & Factory Benchmarks

The 249.91 cm³ single-cylinder engine utilizes a DOHC valve train with four valves actuated via cam levers. Factory tolerances and settings are critical for high-RPM stability:

• Idle Speed: 2,150 – 2,250 RPM.
• Valve Clearance (Cold): Intake 0.10 – 0.15 mm | Exhaust 0.13 – 0.18 mm.
• Spark Plug: NGK LMAR9AI-8 with an 0.8 mm electrode gap.
• Compression Ratio: 13.9:1.

Suspension Kinematics & Adjustment Parameters

Both chassis variants utilize WP Suspension components with distinct travel and sag specifications:

• Fork System: WP Suspension Up Side Down 4860 MXMA CC.
• Shock System: WP Suspension 5018 BAVP DCC.
• Static Sag (Rear): 30 mm across all models.
• Riding Sag (Rear): 90 mm (SX-F EU) | 100 mm (SX-F USA / XC-F).

Table of Contents

• Means of Representation
• Safety Advice
• Important Notes
• View of Vehicle
• Serial Numbers
• Controls
• Preparing for Use
• Riding Instructions
• Service Schedule
• Tuning the Chassis
• Service Work on the Chassis
• Brake System
• Wheels, Tires
• Electrical System
• Cooling System
• Tuning the Engine
• Service Work on the Engine
• Cleaning, Care
• Storage
• Troubleshooting
• Blink Code
• Technical Data
• Substances / Auxiliary Substances

Critical Fastening & Fluid Specifications

Maintain system integrity by adhering to the following factory-defined limits:

• Engine Oil: 1.10 Liters (1.16 qt.) | SAE 10W/50 (JASO T903 MA).
• Coolant: 50% Corrosion Inhibitor / 50% Distilled Water.
• Brake System: DOT 4 or DOT 5.1 glycol-based fluid.
• Torque - Engine Sprocket: 60 Nm (44.3 lbf ft) with Loctite 2701.
• Torque - Rear Wheel Spindle: 80 Nm (59 lbf ft).
• Torque - Cylinder Head Nut: Diagonally 10 Nm -> 30 Nm -> 50°.