2021 Yamaha MT-07 Coolant Flush

Overview

The 2021 Yamaha MT-07 requires coolant flush every 2 years or 24,000 miles (liquid-cooled engines only). Regular coolant maintenance extends engine life and maintains peak performance. This guide covers the complete procedure for both DIY mechanics and those seeking shop estimates.

Tools needed

Supplies needed

Step-by-step procedure

1. 1
   Allow engine to cool completely (minimum 1 hour after riding).
2. 2
   Place drain pan under the coolant drain bolt (usually at the water pump).
3. 3
   Slowly remove the coolant reservoir cap to release pressure.
4. 4
   Remove the drain bolt and allow coolant to drain fully.
5. 5
   Flush the system: reinstall drain bolt, fill with distilled water, run engine for 5 minutes.
6. 6
   Drain the distilled water completely.
7. 7
   Install new drain bolt washer and torque drain bolt to spec.
8. 8
   Fill system with premixed motorcycle coolant per manufacturer spec.
9. 9
   Squeeze hoses to purge air pockets from the system.
10. 10
    Start engine and let it reach operating temp. Check for leaks and verify the fan cycles on.
11. 11
    Top off coolant after the engine cools. Recheck after first ride.