Honda CMX 250 / CMX 250C Rebel 1996–2009 Service Manual (P/N C4256-90954)

Equip your shop with the official Honda Motor Co., Ltd. publication (C4256-90954) for the 1996–2009 Honda CMX 250 and CMX 250C Rebel. Covering the reliable air-cooled 234 cc vertical twin engine, this manual is the definitive factory reference for routine maintenance, deep diagnostics, and complete rebuilds.

Essential Workshop Features:

• Contains 21 detailed technical sections with over 90 pages of precise exploded-view diagrams, torque specs, and cable routing illustrations.

Engine and Chassis Coverage

Skip the guesswork. This manual breaks down every critical system required to keep the CMX platform running at peak performance. Inside, you will find exhaustive teardown and reassembly procedures for the fuel management system, clutch and gearshift linkages, as well as the transmission and crankshaft.

Electrical troubleshooting is heavily supported. The documentation provides clear diagrams and diagnostic pathways for the battery, charging system, ignition timing, and lighting circuitry, allowing mechanics to trace shorts or voltage drops efficiently. Frame, body panels, lubrication pathways, and complete suspension geometries are also thoroughly mapped out.

Technical Preview and Reference Values

Need a quick spec check? Below are baseline values for the CMX 250C power plant. Always refer to the complete documentation within the manual before applying torque or starting hands-on procedures to ensure mechanical safety and precise tolerances.

• Valve Clearance (Intake): 0.06–0.10 mm
• Engine Oil Capacity: 1.5 liters (standard drain)
• Ignition Timing: 10° BTDC @ 1,400 RPM
• Cylinder Head Bolt Torque: 12 Nm
• Spark Plug Specification: NGK CR6HSA or Denso U20FSR-U

Note: The technical data provided above serves as a quick shop reference. For comprehensive maintenance schedules, proprietary Honda tooling requirements, and step-by-step diagnostic workflows, the full service manual remains your authoritative source.