1986-1987 Honda ATC 125M Three-Wheeler Service Manual

1986–1987 Honda ATC 125M Factory Service Manual

This official 196-page Honda OEM publication (P/N 07740-HB6-0000) is the definitive technical reference for the 1986 and 1987 ATC 125M. It delivers the exact factory specifications, exploded-view assembly diagrams, and diagnostic data needed to maintain the 124 cc air-cooled 4-stroke engine and 5-speed constant-mesh transmission.

Instead of hunting through generic aftermarket guides, mechanics get direct access to Honda's original subsystem breakdowns. The manual outlines the entire powertrain architecture, mapping out the fuel, ignition, and charging systems. Every major component group is supported by granular technical illustrations that show precise assembly orientation for the chassis and electrical network.

Critical Specification Data:

• Valve clearance: 0.08 mm for both intake and exhaust
• Cylinder head bolt torque: 10–14 N·m (7.2–10 ft-lb)
• Intake valve opening: 0° BTDC
• Engine oil capacity: 1.3 liters at draining
• Clutch adjuster lock nut torque: 19–25 N·m (14–18 ft-lb)

Working on vintage three-wheelers requires strict adherence to shop safety protocols. This documentation provides the exact baseline data to ensure all assemblies meet factory tolerances safely before returning the vehicle to the trail.

Format & Workshop Benefits:

• Available as an instant download immediately after checkout.
• Fully searchable text allows you to locate specific part numbers or torque values in seconds.
• Formatted for standard US Letter and A4 shop printing.
• Stored securely in your account for easy retrieval after hardware failures.