2013 Yamaha XT250 XT250D(C) Service & Repair Manual (P/N LIT-11616-26-08)

• Covers 2013 Yamaha XT250 and XT250D(C) models equipped with 249cc air-cooled SOHC 4-stroke engines and electronic fuel injection.
• Official Yamaha publication P/N LIT-11616-26-08 (first edition published April 2012).
• Features 56 detailed exploded-view diagrams mapping out internal assemblies.
• Includes three dedicated tightening-torque specification tables.
• Outlines complete electrical system routing for the 2013 model year.
• Details the 1YB-series engine and chassis builds across 340 pages.

Technical Documentation and System Overview

Getting a clear picture of the mechanical layout is critical before tearing down any powertrain. This manual breaks down internal engine assemblies, chassis adjustments, and electrical system diagnostics specifically for the XT250 platform. Technical chapters detail the cylinder head, camshaft, piston-to-cylinder clearance, and transmission gear ratios. Adhering to factory safety protocols is mandatory throughout these procedures, especially when working around pressurized fuel injection components or high-voltage ignition coils to prevent injury. Beyond the engine block, the content outlines fluid capacities, valve clearances, and spark plug gaps. It also maps out exact maintenance intervals for the air filter, spark arrester, and fuel systems. When tracing electrical faults, the provided wiring and routing diagrams for lighting, ignition, and ECU circuitry help isolate issues without unnecessary trial and error.

Specification Previews

Precision matters in the workshop. The document lays out exact torque values, including the 110 Nm specification for the drive sprocket nut and 85 Nm for wheel axle nuts. For precise engine tuning, intake valve clearance is tightly defined at 0.05 to 0.10 mm, while exhaust valves require 0.10 to 0.15 mm. Factory idle speed sits between 1300 and 1600 r/min. Rather than offering a generic overview, this comprehensive guide provides the exact assembly, inspection, and maintenance data needed for both U49 and California variant builds. Having these concrete numbers on hand eliminates guesswork and streamlines routine services.