Honda CRF250R Service Manual 2010–2011 (P/N MR-437)

• Covers 2010–2011 Honda CRF250R motocross models equipped with PGM-FI fuel injection systems
• Official Honda publication Form MR-437, detailing engine, chassis, and electronic management specifications
• Features 12 wiring schematics and 14 major sub-system breakdowns

Component and System Documentation

This official OEM workshop manual delivers the technical depth required for maintaining the 2010–2011 CRF250R race platform. Designed for professional technicians and experienced DIYers, it outlines inspection, removal, and installation specifications for critical assemblies like the PGM-FI fuel system, the liquid-cooling network, and the 5-speed constant mesh transmission. Because working on high-performance EFI systems and pressurized cooling circuits carries inherent risks, always review the designated safety protocols outlined in the first chapter before beginning any service. You get immediate access to these procedures and warnings via the instant download, allowing you to pull up diagnostic tables and clear assembly illustrations directly at your workbench.

Specification Highlights

Instead of generic advice, this guide provides the exact numbers necessary to rebuild and tune the motorcycle. You will find comprehensive torque values for frame and engine components, including the crankcase, cylinder head, and wheel assemblies. Key technical baselines are readily accessible, such as the 0.12 ± 0.03 mm intake valve clearance, the 1.03-liter radiator coolant capacity, and ignition timing set at 8° BTDC at idle. It serves as a strict specification reference, providing all the essential tolerances needed to service the computer-controlled digital transistorized ignition and Pro-Link rear suspension.