Yamaha NMAX 125 Scooter Service Manual PDF | 2021-2025

Digital service manual for the 2021-2025 Yamaha NMAX 125 (GPD125-A), covering all service and repair procedures for this liquid-cooled 125cc scooter. Use it to service the EFI fuel system, VVA engine, CVT drivetrain, cooling system, chassis, and electrical systems with full diagnostic support. Delivered instantly as a fully searchable PDF compatible with any PC, Mac, tablet, or mobile device.

• Adobe Acrobat (PDF) format
• Fully searchable
• Easily print any or all content
• Everything needed to repair & maintain your scooter
• Troubleshooting instructions, wiring diagrams, and reference material

• Yamaha NMAX GPD125-A (BAL1)
• Yamaha NMAX GPD125-A (BAL3)

• GENERAL INFORMATION
• PERIODIC MAINTENANCE
• FUEL SYSTEM
• ENGINE
• TRANSMISSION & DRIVE
• COOLING SYSTEM
• ELECTRICAL SYSTEM
• SUSPENSION
• BRAKES
• BODY & FRAME
• WIRING DIAGRAMS

• Complete engine disassembly and assembly procedures including VVA (Variable Valve Actuation) system
• EFI fuel system diagnostics including fuel injector, pressure testing, and sensor specifications
• Electrical, ignition, and charging system procedures with wiring diagrams
• Liquid cooling system inspection, thermostat, radiator, and water pump service
• CVT transmission service including V-belt, primary/secondary sheave, and automatic clutch
• Periodic checks and adjustments including valve clearance, spark plug, and brake inspection
• Front fork and rear suspension disassembly, inspection, and reassembly
• Brake system inspection, hydraulic service, and adjustment procedures
• Self-diagnostic system procedures and fault code identification
• Chassis service including frame, bodywork, steering, and wheel bearing service
• technical specifications and torque tables for all major fasteners
• High-resolution wiring diagrams and system schematics

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