1984-2002 Honda CR80R Service Manual

Honda CR80R 1984–2002 Technical Documentation

• Covers 1984–2002 Honda CR80R motocross motorcycles, documenting essential service data for the 79.7 cc water-cooled 2-stroke engine and chassis systems.
• Official Honda publication P/N 61GC401, dated August 1983.
• Contains over 100 pages of high-resolution diagrams, component exploded views, and technical inspection references.
• Accessible from your device as soon as the order is placed.
• OCR text layer lets you jump to a torque spec by keyword.
• This official 1983 publication serves as the primary factory reference for the 1984–2002 Honda CR80R series, featuring detailed carburetion and ATAC system tuning specifications.

Engine and Fuel System Documentation

The 1984–2002 Honda CR80R manual provides extensive technical prose for maintaining the 2-stroke drivetrain. Chapters detail the inspection and servicing of the cylinder head, piston assemblies, and reed valves, with specific data regarding cylinder-to-piston clearances and ring-to-groove limits. Detailed sections on the fuel system explain the operational theory of the PE67A carburetor, including circuit breakdowns for the starter, slow jet, and main jet systems, complemented by visual guides for cable routing and carburetor disassembly.

The document also covers the ATAC (Automatically-controlled Torque Amplification Chamber) system, documenting removal, inspection, and adjustment for the governor, rack, and cam components. Detailed torque values for the clutch and kick-starter linkages are provided, ensuring assembly precision for these critical systems. Transmission oil and coolant capacity specs are clearly documented for regular maintenance intervals.

Specification Highlights

Engine mounting bolt torque values are specified at 30–35 N-m. Cylinder head nut torque is documented at 24–29 N-m. Rear axle nut torque is listed at 55–70 N-m. Spark plug gap is specified at 0.7–0.8 mm for the NGK BR9ES plug. The 1984–2002 Honda CR80R manual includes a full wiring diagram and a comprehensive cable routing guide for assembly reference.

Reference only — always consult a certified technician before performing service on this equipment. An official Honda OEM workshop manual covering the 1984–2002 Honda CR80R, documenting engine, chassis, ATAC, and fuel-system specifications for the 61GC401-series build.

Document Reference: Part No. 61GC401, August 1983