2004-2007 Honda CR125R Service Manual

Honda CR125R 2004–2007 Service Documentation

• Covers 2004–2007 Honda CR125R motocross machines, including specific setup variances for 2004 vs. post-2004 production runs
• Official OEM publication with identified model-year specific data for jetting, suspension, and cooling configurations
• Includes 17 sections detailing maintenance, engine, frame, chassis, and electrical system specifications, with over 100 torque tables and routing diagrams
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• This 351-page factory manual serves as the primary technical reference for the CR125R 2-stroke engine maintenance and chassis assembly adjustments

Content and System Overview

This 2004–2007 Honda CR125R service manual documents technical procedures and specifications for the liquid-cooled 125 cc platform. The content starts with comprehensive general information, including VIN and engine serial number locations, followed by detailed maintenance schedules and safety-focused handling guidelines for servicing the engine and frame. Detailed sections provide structure for frame and body panel removal, fuel system tuning, and cooling system maintenance, ensuring technicians have clear data for every component group.

Specification and Data Preview

Technical content includes extensive torque value tables for engine fasteners, including the 29 Nm specification for oil drain bolts and 27 Nm for cylinder head nuts. Electrical data covers ignition timing thresholds of 30° ± 2° BTDC at 3,000 rpm for 2004 models and 33.7° ± 2° BTDC at 4,000 rpm for later versions. Transmission oil capacity is documented at 0.57 liters for standard changes. For those performing factory level engine and chassis service, the manual lists precise clearance specifications for piston-to-cylinder tolerances and critical torque sequences for suspension components. This official 351-page Honda manual provides exhaustive technical data for the 2004–2007 CR125R, covering engine, chassis, cooling, and electrical systems for both early 2004 and post-2004 production builds.