2019 Yamaha MT-15 MTN155-A Service Manual – Full Workshop Repair Guide PDF

Description

2019 Yamaha MT-15 MTN155-A Service Manual – Full Workshop Repair Guide

This is the complete service manual for the 2019 Yamaha MT-15 (model code MTN155-A / B9D1), produced by India Yamaha Motor Pvt. Ltd. for use by Yamaha dealers and qualified mechanics. It is a comprehensive workshop reference covering every major system on the motorcycle, from routine maintenance to complete engine disassembly and ABS diagnostics. Whether you are servicing your own MT-15 or running a professional workshop, this manual gives you the procedures, specifications, and diagrams needed to do the job correctly.

File Details

• Manual Type: Service / Workshop Manual
• Brand: Yamaha
• Model: MT-15 (MTN155-A, B9D1)
• Year: 2019
• Publisher: India Yamaha Motor Pvt. Ltd.
• Edition: First edition, April 2019
• Language: English
• Page Count: 441 pages
• File Format: PDF
• Document Number: B9D-F8197-E0

Chapters Covered

The manual is organized into numbered chapters with clear sub-sections. Each chapter opens with exploded diagrams and a job instruction chart before detailed procedures.

• General Information – Safety alerts, manual symbols, ABS overview, multi-function meter operation, cable routing, lubrication points, special tools
• Specifications – Engine specifications, chassis specifications, electrical specifications, tightening torques (general, engine, chassis), lubrication points and lubricant types
• Periodic Checks and Adjustments – Periodic maintenance chart, valve clearance adjustment, engine idling speed, throttle grip free play, spark plug, compression pressure, engine oil, clutch lever free play, air filter, fuel line, coolant, brake system checks, drive chain slack, steering head, tires, wheels, cables, battery, fuses, headlight beam
• Chassis – Front wheel, rear wheel, front brake (including ABS hydraulic unit), rear brake, handlebar, front fork, steering head, rear shock absorber assembly, swingarm, chain drive
• Engine – Engine removal, cylinder head, camshaft, valves and valve springs, cylinder and piston, magneto and starter clutch, electric starter, clutch, oil pump, shift shaft, balancer gear, crankcase, crankshaft, transmission
• Cooling System – Radiator, thermostat, water pump
• Fuel System – Fuel tank, fuel pump, fuel filter, throttle body, fuel injector
• Electrical System – Ignition system, electric starting system, charging system, lighting system, signaling system, cooling system electrical, fuel injection system with self-diagnostic function and fault codes, fuel pump system, ABS electrical, electrical components, wiring diagram
• Troubleshooting – Starting failures, incorrect engine idling speed, poor medium/high-speed performance, faulty gear shifting, faulty clutch, overheating, poor braking, faulty front fork, lighting/signaling faults

What This Manual Provides

This Yamaha MT-15 service manual is not a generic overview — it is the same reference used by Yamaha technicians to service this specific model. Every procedure is laid out in sequential order with the individual steps numbered and the required tools, torque values, and specifications called out directly alongside the work.

The exploded diagrams at the start of each removal and disassembly section give you the order of jobs, part names, and notes in one view. Symbols indicate which parts need lubrication, which must be replaced with new ones, and where locking agents are required. Detailed sequential procedures follow for any job that needs more information, such as special tools or technical data.

Key systems covered in depth include the Yamaha ABS (anti-lock brake system) with its hydraulic unit, solenoid valves, buffer chamber, and self-diagnosis function; the fuel injection system with ECU self-diagnostic and fault code troubleshooting; the VVA (variable valve actuation) system; and the full engine teardown and rebuild sequence including crankshaft, transmission, and balancer gear assemblies.

Who This Manual Is For

This manual is written for mechanics and technically minded owners who already have a basic understanding of motorcycle repair. It assumes you know how to use hand tools, torque wrenches, and measuring instruments. The procedures are detailed but expect a competent level of mechanical skill.

If you are performing your own maintenance, the periodic checks and adjustments chapter alone is worth the investment — it tells you exactly what to check, at what interval, and to what specification. For professional workshops, the full engine, chassis, and electrical chapters give you everything needed to take on any repair job on the MT-15.

Why the Correct Manual Matters

Working on a modern motorcycle without the manufacturer’s specifications is risky. Torque values, valve clearances, fluid capacities, and diagnostic procedures are not universal — they are specific to each model. Using the wrong value can lead to stripped threads, oil leaks, engine damage, or brake failure. This manual gives you the exact figures Yamaha specifies for the MT-15.

The ABS and fuel injection chapters are particularly important. These are systems that cannot be serviced by feel or guesswork. The manual walks you through the diagnostic codes, the hydraulic unit operation tests, and the brake line routing confirmation procedure. Without this information, diagnosing an ABS or FI fault is a matter of trial and error.

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Instant PDF Delivery

This 2019 Yamaha MT-15 MTN155-A service manual is delivered as an instant PDF download. There is no shipping, no waiting, and no physical book to store. You can access it on any device — laptop, tablet, or smartphone — and print the pages you need for the workshop. Keep it on your phone while you work, or print the diagrams and specs for the job at hand.

With 441 pages covering every system on the motorcycle, this is the most complete service reference available for the MT-15. Whether you are adjusting the drive chain, replacing the clutch, diagnosing an ABS fault, or rebuilding the engine, the answers are in this manual.