2011 Yamaha TT-R125LW(M) Service Manual (446 P.)

2011 Yamaha TT-R125LW(M) Technical Overview

This 446-page official Yamaha OEM manual (P/N 5HP-28199-81) delivers the complete factory-authorized specifications, fluid capacities, and wear limits for the 2011 Yamaha TT-R125LW(M) minibike series. Whether you are doing routine maintenance or checking tolerances on the workbench, this reference provides the exact numbers the factory technicians use.

Key Features & Delivery

• Covers TT-R125LWM, TT-R125LWMC, and TT-R125LW models (including 5HP4 and 5HP5 variants).
• Instant download directly to your phone, tablet, or shop computer right after checkout.
• Formatted for standard letter and A4 printing so you can take the pages straight into the garage.
• Includes detailed technical diagrams for engine assembly, chassis components, and wiring harness routing.

Maintenance & Internal Specifications Forget the guesswork. The guide outlines critical maintenance intervals and features comprehensive tables for tightening torques. You will find precise wear limits for vital internal parts like the cylinder head, camshaft, valve train, clutch, and transmission.

Essential Engine and Chassis Specifications include:

• Bore and stroke: 54.0 × 54.0 mm
• Compression ratio: 10.0:1
• Intake valve clearance: 0.08–0.12 mm
• Exhaust valve clearance: 0.10–0.14 mm
• Cylinder head warp and crankshaft runout limits are both strictly documented at 0.03 mm.
• Fork oil capacity: 156 cm³
• Fuel tank capacity: 6.6 liters (includes a 1.9-liter reserve).

Working on motorcycle engines requires precision and care. Keep in mind that these specifications are provided for reference, and you should ensure you have the proper mechanical skills or consult a certified technician before tearing down your equipment to maintain safety and optimal performance.