2004-2007 Yamaha Rhino 660 ATV Service Manual (P/N 5UG-28197-00)

• Covers the 2004–2007 Yamaha Rhino 660 (5UG1 model variant) equipped with the 660 cc SOHC engine and automatic transmission.
• Official OEM publication P/N 5UG-28197-00, original 2004 edition.
• Includes 506 pages of factory data, over 40 system-specific exploded-view diagrams, and comprehensive torque-specification tables.

Technical Documentation & Content

This official service manual delivers the exact factory specifications needed to maintain and rebuild the vehicle. It offers a clear breakdown of engine top-end work. You will find complete parameters for valve clearance adjustments, camshaft inspections, and cylinder assembly.

Drivetrain sections map out the V-belt transmission, middle gear backlash measurements, and differential gear servicing. For the chassis, the book details the independent double-wishbone suspension, rack-and-pinion steering, and dual disc brake systems. Troubleshooting electrical problems is straightforward using the included diagnostic tables, which help isolate faults in the ignition, charging, and cooling networks. Working on ATVs and UTVs involves inherent physical risks. Always follow standard shop safety protocols, use appropriate tools, and consult certified guidance when handling heavy drivetrain or structural chassis components.

Specification Highlights

The publication is packed with precise factory values to eliminate guesswork on the workbench. The engine cooling system capacity is documented exactly at 2.5 liters. Intake valve clearances for this model are specified at 0.10–0.15 mm. When reassembling components, mechanics can reference the exact tightening sections, such as the primary sheave assembly nut torque listed at 120 Nm.