2006-2011 Honda TRX680FA / TRX680FGA Service Manual

Honda TRX680FA/FGA Service Manual: Technical Scope

• Covers 2006–2011 Honda TRX680FA and TRX680FGA ATVs, including GPS-equipped variants, standard 4WD, and ESP-shift models
• Original OEM publication (PN 61TXC00)
• Contains 567 pages of technical specifications, exploded-view diagrams, electrical schematics, and system-specific data
• Documents transmission logic, PGM-FI diagnostics, and detailed torque values
• Fully indexed PDF format allows for instant, precise workshop searches
• Immediate digital access right after purchase
• Delivers the exact engineering baselines and electronic fuel injection tuning requirements unique to the 674.9 cc engine platform

Manual Contents Overview

Skip the guesswork and get straight to the factory specifications. This document breaks down the core mechanical and electronic systems of the 2006–2011 Honda TRX680 series without the fluff. The contents are structured heavily around technical features, general shop information, and procedural data.

Expect detailed component breakdowns covering frame and body panels, the liquid-cooled engine, and piston assemblies. It thoroughly maps out the complex A/T system—including torque converter and shift clutch management—while providing dedicated electrical chapters for charging systems, wiring layouts, and ignition timing.

Engineering & Specification Highlights

Having the right numbers on hand prevents costly teardowns. The manual details critical tolerances for engine assembly and drivetrain work.

For example, primary torque specifications dictate 55 Nm for the cylinder head cover cap nut and 108 Nm for the primary driven gear lock nut. Documented fluid capacities include 2.0 liters of coolant and 78 cm³ of final gear case oil. It also defines strict operating parameters like a cylinder compression of 550 kPa, with valve clearances set tightly at 0.15 mm (intake) and 0.33 mm (exhaust).

Working on high-compression ATV engines involves heavy components and inherent physical risks. Because precision is critical for safe vehicle operation, always verify these sample baselines against the complete manual data before applying torque to any fasteners in your bay.