2011 Yamaha YFM125RA Raptor 125 Service Manual

Complete 2011 Yamaha Raptor 125 YFM125RA service procedures for engine, chassis, electrical, fuel, and lubrication systems. PN LIT-11616-24-36.

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Document Details

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Document Number / Seller:
28492 / Deborah Williams
File Size:
15.97 MB
File Type:
PDF
Language:
English
Pages:
298
Printable:
Yes
Category:
ATV
Last updated / verified
Aug 19, 2025

Models Covered & Key Technical Specifications

Yamaha Raptor 125 (YFM125RA) 2011 Service Manual: Yamaha YFM125RA Service Manual - 2011 Edition This manual provides comprehensive repair procedures for the 2011 Yamaha Raptor 125.

  • Engine Specifications: 124 cm³ displacement and 10.0:1 compression ratio.
  • Chassis Specifications: Features dual disc brakes and double wishbone front suspension.
  • Transmission: 5-speed constant mesh transmission with left foot operation.
  • Electrical Specifications: 12 V system with an AC magneto charging system.
  • Fuel System: 9.0 L fuel tank capacity with a BSR29 carburetor.
  • Brakes: Dual disc front brakes and single disc rear brake.

Professional Workshop Service Manual & Technical Specifications

Yamaha Raptor 125 (YFM125RA) 2011 Service Manual: Yamaha YFM125RA Service Manual - 2011 Edition

Technical-Domain: ATV / Powersports // Validation-Data: 298 Pages / 15.9705 MB Logic // Procedure-Type: Repair & Maintenance Manual.

Engineering chapters address the complete maintenance and repair of the 2011 Yamaha Raptor 125. Procedures cover engine disassembly, chassis adjustments, electrical system checks, fuel system services, and lubrication points. Detailed specifications are included for all components to ensure precise calibration and assembly. This precise document is essential for all service technicians.

Engine Systems

The manual documents engine systems, including the cylinder head, camshaft, valves, and piston assembly. Torque specifications for critical engine components are provided to ensure proper assembly and functionality.

Chassis and Drivetrain

Procedures cover chassis components such as suspension, wheels, tires, brakes, and steering. Drive chain maintenance and adjustment are detailed, ensuring optimal power transfer and longevity.

Electrical and Fuel Systems

Guidance for the electrical system includes battery handling, ignition, lighting, and starter motor. The fuel system section details carburetor adjustment and fuel line checks.

Specifications Table Metric System-Path Calibration-Data
Engine Type Air cooled 4-stroke, SOHC 124 cm³ Displacement
Transmission 5-speed Constant Mesh Left Foot Operation
Front Brake Dual Disc Brake Right Hand Operation
Rear Brake Single Disc Brake Right Foot Operation
Fuel Capacity 9.0 L Unleaded Gasoline
Ignition System CDI AC Magneto

Table of Contents Summary

  • General Information
  • Specifications
  • Chassis
  • Engine
  • Clutch
  • Valves and Valve Springs

FAQ

What are the **proper** clearance measurements for the Yamaha Raptor 125? keyboard_arrow_down

Valve clearance measurements are specified as 0.08–0.12 mm (0.0032–0.0047 in) for intake and 0.10–0.14 mm (0.0039–0.0055 in) for exhaust when cold.

Specify the **standard** torque specifications for the engine mounting bolts. keyboard_arrow_down

Standard torque for the engine mounting bolts are as follows: Front lower side: 33 Nm (3.3 m·kgf, 24 ft·lbf), Rear lower side: 44 Nm (4.4 m·kgf, 32 ft·lbf), Upper side: 40 Nm (4.0 m·kgf, 29 ft·lbf).

What is the **necessary** safety precautions when working with brake fluid? keyboard_arrow_down

Brake fluid may damage painted surfaces and plastic parts. Always clean up any spilt brake fluid immediately. Avoid contact with eyes as it can cause serious injury.

Calculate the **recommended** lubrication requirements for the swingarm pivot. keyboard_arrow_down

Lithium-soap-based grease is recommended for lubricating the upper and lower arm pivots, and the swingarm pivot shaft.

What values are specified for **calibrated** brake pad wear limits? keyboard_arrow_down

The brake pad wear limit is 1.0 mm (0.04 in) for both inner and outer pads. If wear indicators are almost touched, replace the brake pads.

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Reviews (3)

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This service manual has been a game changer for me. The detailed instructions made my repairs straightforward. Plus, the download process was super smooth, and I received the link almost immediately! Highly recommend!
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The diagrams and charts are incredibly helpful. I had a question about one of the troubleshooting sections and reached out to support—they responded quickly and were very professional. Definitely worth the purchase!
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Rated 5 out of 5 stars