Yamaha YZF-R6 1999–2002 Service Manual (P/N C4085-91017)

This official August 1998 first-edition Yamaha publication (C4085-91017) is the primary reference documenting original factory settings for the 5EB-AE1 launch build.

Technical Documentation Scope

Designed for professional mechanics and dedicated DIYers, this 98-page technical file delivers specialized maintenance data for the drivetrain, chassis, and cooling systems. It thoroughly covers the liquid-cooled, 4-stroke DOHC parallel four-cylinder engine and 6-speed constant-mesh transmission.

Users gain direct access to precise configurations, including the CVRD37 carburetor setup. The manual details precise inspection parameters for the front telescopic forks and link-type rear suspension, specifically covering damping adjusting positions and spring preload settings. Electrical diagnostics are streamlined with exact pinouts for the throttle position sensor, magneto, and fuse arrangements integrated into the C.D.I. ignition system.

Key Specifications & Clearances

Featuring 47 pages of dedicated technical specification tables and exploded-view diagrams, quick reference data includes:

• Engine oil capacity: 2.7 liters (with filter cartridge replacement)
• Valve clearance: Intake 0.11–0.20 mm | Exhaust 0.21–0.30 mm
• Front disc brake diameter: 298 mm (standard across all trim levels)
• Spark plug gap: 0.6–0.7 mm (CR10EK)
• Cooling system capacity: 2.15 liters

While this documentation provides complete factory specifications for the 1999–2002 series, always consult a certified technician before performing service to ensure safe handling and proper maintenance of your motorcycle.