2021 Yamaha MT-09Chain slack: 36–41 mm (confirmed)Rear axle: 115 Nm (unsure)Oil: 10 000 km / 12 months (unsure)Valves: 42 000 km (unsure)
Yamaha MT-09
2021 · EU Market
Reference data for routine maintenance procedures. Always verify against your service manual.
The 2021 Yamaha MT-09 is a naked motorcycle powered by an inline-three engine. It features a 525 chain, upright ergonomics, and is designed for sporty street riding.
| Size | 525 (unsure) |
| Slack / Distance A | 36–41 mm (confirmed) |
| Axle nut torque (rear) | 115 Nm (unsure) |
| Sprocket teeth | Front: 16 · Rear: 45 (unsure) |
| Grade | 10W-40 (API SG / JASO MA2) (unsure) |
| Capacity (no filter) | 3.4 L (unsure) |
| Capacity (with filter) | 3.6 L (unsure) |
| Drain plug torque | 43 Nm (unsure) |
| Front axle | 72 Nm (unsure) |
| Rear axle | 115 Nm (unsure) |
| Front caliper bolts | 40 Nm |
| Rear caliper bolts | 27 Nm |
| Front | 120/70 ZR17 · 2.5 bar |
| Rear | 180/55 ZR17 · 2.9 bar |
| Coolant | 2.6 L (unsure) |
| Brake fluid | DOT 4 |
| Spark plug | NGK LMAR9E-J (unsure) |
| Valve clearance (cold) | Intake: 0.11–0.20 mm · Exhaust: 0.21–0.30 mm (unsure) |
| Capacity | 14 L (incl. reserve) (unsure) |
| Oil & filter change | 10 000 km / 12 months (unsure) |
| Valve clearance check | 42 000 km (unsure) |
| Air filter replacement | 20 000 km (unsure) |
| Brake fluid replacement | 2 years |
Disclaimer
- • Data source: Owner’s Manual MTN890 / Yamaha 2021 (unsure)
- • Specifications may vary by VIN, market variant, and model year.
- • Always consult your owner's manual and service documentation.
- • Use this information at your own risk.