2025 Yamaha YZF-R9Chain slack: 45–50 mm (measured ~53 mm forward of guard)Rear axle: 105 Nm
Yamaha YZF-R9
2025 · EU Market
Reference data for routine maintenance procedures. Always verify against your service manual.
The 2025 Yamaha YZF-R9 is a sport motorcycle powered by an inline-three engine. It features a 525 chain, full fairing, and is designed for high-performance road and track use.
| Slack (Distance A at Position B) | 45–50 mm (measured ~53 mm forward of guard) |
| Rear axle nut torque | 105 Nm |
| Adjuster locknuts | 16 Nm |
| Size | 525 (unsure) |
| Sprocket teeth | Front: 16 · Rear: 45 (unsure) |
| Coolant | Ethylene glycol, silicate-free (50/50) (unsure) |
| Brake fluid | DOT 4 (unsure) |
| Tank capacity | 14 L |
| Front (cold) | 2.50 bar |
| Rear (cold) | 2.50 bar |
Disclaimer
- • Data source: Yamaha Owner’s Manual (R9/YZF890)
- • 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.