2004-2005 Honda TRX450R ATV Service Manual

2004–2005 Honda TRX450R Technical Scope

• Covers 2004–2005 Honda TRX450R ATV, including full chassis, engine, and electrical system service diagnostics
• Official Honda OEM publication P/N 61TFF000, dated December 2003
• Contains 333 pages of technical specifications, exploded-view schematics, and mechanical system assembly data
• Downloads to your account within seconds of checkout
• Your order stays downloadable from your account for life
• Laid out for standard letter and A4 printing
• Full-text search finds any part number in seconds
• This 2003 first edition is the primary factory reference for the 2004–2005 TRX450R launch build

Documentation of the Honda TRX450R 2004–2005

The 2004–2005 Honda TRX450R service manual covers every system of the ATV, from the Unicam cylinder head design to the twin-sump lubrication structure. Individual sections detail the frame, body panels, and exhaust, providing necessary torque values for fasteners and skid plate mounting. Separate chapters outline the fuel system, including carburetor disassembly and float level adjustments, and the cooling system with radiator and pump specifications.

Additional segments address the engine removal process and transmission maintenance requirements, alongside complex electrical layouts and wiring schematics. The manual also includes specialized data for front and rear suspension, steering geometry, and hydraulic brake components for the 2004–2005 Honda TRX450R.

Engine and Maintenance Reference Data

Detailed specifications within the guide include valve clearance settings, piston-to-cylinder tolerances, and transmission gear ratios. Cylinder compression is specified at 745 kPa, and the lubrication system requires 0.78 liters for standard oil changes. Crankshaft runout for the 2004–2005 Honda TRX450R is documented with a 0.05 mm service limit for the left side. Ignition timing is set at 12 degrees BTDC at idle for the AC-CDI system. Coolant concentration is documented at a 1:1 mixture with distilled water in the cooling system specifications table. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This 333-page Honda factory manual provides the complete technical specifications, maintenance intervals, and system diagrams for the 2004–2005 Honda TRX450R ATV.