2002-2006 Yamaha Grizzly 660 660FP ATV Service Manual

Yamaha Grizzly 660 Technical Scope

• Covers 2002–2006 Yamaha Grizzly 660 and 660FP models, including Hunter, Outdoorsman, Ducks Unlimited, and Special Edition variants.
• Official Yamaha publication P/N LIT-11616-15-01, first edition dated May 2001.
• Contains 56 detailed exploded-view diagrams, 15 technical specification tables, and 27 comprehensive electrical cable routing illustrations.
• Documents maintenance requirements for 400 total pages of service reference data.
• Delivered as a direct download the moment payment clears.
• OCR text layer lets you jump to a torque spec by keyword.
• This original OEM manufacturer publication provides the factory-authorized specifications and mechanical data necessary for maintaining the YFM660FP engine, chassis, and cooling systems.

Factory-Authorized Coverage

This manual documents the entire mechanical structure of the Yamaha Grizzly 660. The coverage begins with vehicle identification and special tools, moving through detailed chapters on engine assembly, cooling system architecture, and carburetion tuning. The chassis section outlines suspension geometry, steering stem maintenance, and brake system hydraulics, while the electrical section provides circuit diagrams and system troubleshooting for lighting, ignition, and charging components.

Specification Highlights

Technical specifications are categorized for quick reference. Key data includes engine valve clearance settings, torque values in both Nm and ft-lbs, and fluid capacities for the engine, radiator, and differential. The document also provides specific pressure thresholds for the cooling system and spark plug gap requirements. Engine oil capacity is specified at 2.0 L with filter change. The differential gear case capacity is 0.33 L. Valve clearance for the intake is listed at 0.10–0.15 mm in the engine specification 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 400-page Yamaha factory manual provides official specifications for the 2002–2006 Yamaha Grizzly 660 and 660FP, documenting vital maintenance data for the engine, chassis, and drive systems.