Yamaha Mt 15 Service Manual ((install)) Jun 2026
Clean with a dedicated chain cleaner, inspect for tight spots, adjust slack (target: 25–35 mm), and lubricate.
Testing the resistance values of the Crankshaft Position Sensor, Coolant Temperature Sensor, and O2 Sensor using a digital multimeter.
Regular maintenance ensures the longevity of the VVA engine. According to service guidelines, key tasks include: Every 3,000–5,000 km (or 6 months). Air Filter: Clean every 3,000 km, replace every 12,000 km.
The MT-15 uses a chain drive final transmission, which requires regular adjustment and lubrication. An improperly adjusted chain is a safety hazard. The official manual provides a specific method for checking slack. Yamaha Mt 15 Service Manual
If you want to dive deeper into a specific repair task, let me know: Which is your MT-15?
Performing regular checks and services at the correct intervals is the foundation of motorcycle ownership. Here are three of the most critical procedures you can handle with the help of the manual.
Check the coolant reservoir tank behind the engine. Top it up with genuine pre-mixed coolant if low. Clean with a dedicated chain cleaner, inspect for
Wheel bearing replacement procedures and steering head tension adjustment. 5. Engine and Cooling System
Factory tolerances for piston-to-cylinder clearance, brake pad wear limits, and spark plug gaps. 2. Periodic Maintenance and Adjustments
Never work on a bike supported only by a side stand. Use a reliable rear paddock stand or center stand on level ground. Ensure the engine is completely cool before draining fluids or touching exhaust components. Conclusion According to service guidelines, key tasks include: Every
While an owner’s manual tells you where the oil dipstick is and when to change it, the service manual provides step-by-step instructions on how to completely disassemble, inspect, measure, and rebuild every individual component of the motorcycle. Key Sections Inside a Factory Service Manual:
Knowing the technical specs helps in understanding the maintenance requirements. Specification 155cc Liquid-cooled, 4-stroke, SOHC Max Power ~18.4 - 19 HP (varies by region) Transmission 6-speed manual Frame DeltaBox frame Suspension Upside-down (USD) front / Monoshock rear Lighting Troubleshooting with the Service Manual
Inspecting the swingarm pivot and linkage system.
| Component | Torque Value (Nm) | | :--- | :--- | | Front Axle Pinch Bolt | | | Rear Axle Nut | 105 Nm (10.5 m·kgf, 77 ft·lbf) | | Engine Oil Drain Bolt | 32 Nm (3.2 m·kgf, 23 ft·lbf) | | Spark Plug | 13 Nm (1.3 m·kgf, 9.4 ft·lbf) |