2004-2007 Honda CR125R Service Manual

2004–2007 Honda CR125R Factory Service Manual

• Details 2004–2007 Honda CR125R motocross machines, breaking down specific setup variances between 2004 and post-2004 production runs
• Official OEM publication featuring model-year specific data for jetting, suspension, and cooling configurations
• Contains 17 comprehensive sections on engine maintenance, frame, chassis, and electrical system specifications, backed by over 100 torque tables and routing diagrams
• At 351 pages, this factory manual is the definitive technical reference for CR125R 2-stroke rebuilds and chassis tuning

Manual Contents and System Overview

This service manual documents the precise technical procedures and specifications required for the liquid-cooled 125cc platform. It provides comprehensive general information, from VIN and engine serial number locations to detailed maintenance schedules. Because working on high-performance 2-stroke engines requires precision and strict adherence to shop safety protocols to prevent component failure or personal injury, the manual strongly emphasizes safe handling guidelines for all engine and frame work. Technicians will find a structured breakdown for frame and body panel removal, fuel system tuning, and cooling system maintenance, ensuring accurate reference data for every component group.

Specification and Data Preview

The technical content includes extensive torque value tables for engine fasteners, highlighting specifications like 29 Nm for oil drain bolts and 27 Nm for cylinder head nuts. Electrical sections detail ignition timing thresholds of 30° ± 2° BTDC at 3,000 rpm for 2004 models, shifting to 33.7° ± 2° BTDC at 4,000 rpm for later versions. Transmission oil capacity is clearly stated at 0.57 liters for standard fluid changes. For mechanics executing factory level engine and chassis service, the guide lists exact clearance tolerances for pistons and cylinders, along with critical torque sequences for suspension components. This official Honda publication delivers exhaustive, model-specific data for the entire 2004–2007 CR125R production run.