Disassembly and assembly of brakes, suspension, steering, and wheels.
Overtightening bolts on the aluminum engine casing of the MT-15 can strip threads, while undertightening can cause parts to vibrate loose. Always use a calibrated torque wrench to follow these factory specifications: 32 Nm (3.2 m·kg, 23 ft-lb) Oil Filter Cover Bolts: 10 Nm (1.0 m·kg, 7.2 ft-lb) Spark Plug: 13 Nm (1.3 m·kg, 9.4 ft-lb) Front Axle Nut: 59 Nm (5.9 m·kg, 43 ft-lb) Rear Axle Nut: 85 Nm (8.5 m·kg, 61 ft-lb) Cylinder Head Bolts (M8): 22 Nm (2.2 m·kg, 16 ft-lb) 5. Troubleshooting Common MT-15 Issues Using the Manual Issue 1: Engine Overheating Yamaha Mt 15 Service Manual
Inspect the tip: a light tan color indicates a healthy engine. Black soot indicates a rich fuel mixture; white or blistered tips indicate a lean mixture. Use a feeler gauge to check the gap (). Troubleshooting Common MT-15 Issues Using the Manual Issue
Dedicated MT-15 and YZF-R15 (which shares the same engine platform) rider forums often share authorized PDF resources and user-generated maintenance guides based on the official manual. Dedicated MT-15 and YZF-R15 (which shares the same