
| Specification | Value |
|---|---|
| Model / Code | Yamaha MT-09 Tracer 9 GT+ Y-AMT – TR9GT+YAMT/25 |
| Production Years | 2025–Present |
| Engine Oil | Yamalube 10W-40 / 15W-50 (JASO MA2) – 3.20 L |
| Tire Dimensions | F: 120/70 ZR 17 / R: 180/55 ZR 17 |
| Tire Pressure | F: 2.50 bar / R: 2.90 bar |
| Battery Type | YTZ10S |
| Spark Plug | NGK LMAR9G (0.8–0.9 mm gap) |
Engineering Highlight: The Y-AMT Revolution
The 2025 Yamaha Tracer 9 GT+ Y-AMT marks a pivotal moment in motorcycle engineering history. It introduces the world’s first automated manual transmission designed specifically to enhance the sporting character of the CP3 engine without the weight penalty of a dual-clutch system. By utilizing two high-speed electric actuators to handle the clutch and gear shifts, Yamaha has achieved a system that weighs only 2.8kg, ensuring the Tracer 9’s legendary agility remains uncompromised while offering seamless, lightning-fast shifts.
Technical Review: Performance Meets Precision
At the heart of the TR9GT+YAMT/25 is the 890cc liquid-cooled CP3 engine. The integration of the Y-AMT system allows for two distinct modes: ‘MT’ (Manual Transmission) controlled via finger-operated see-saw switches, and ‘AT’ (Automatic Transmission) with two sub-modes (D and D+) for varying shift intensities. This version also features a sophisticated Radar-Linked Unified Brake System and Adaptive Cruise Control, making it the most technologically advanced middleweight sport-tourer on the market.
Maintenance Guide & Service Intervals
To maintain the high-performance standards of the CP3 platform and the electronic shifting actuators, strict adherence to the lubrication schedule is vital.
Lubrication System
The Tracer 9 GT+ requires 3.20 liters of Yamalube 10W-40 or 15W-50 oil, depending on the ambient operating temperature. It is critical to use oil meeting the JASO MA2 standard to ensure the longevity of the wet clutch and the hydraulic integrity of the shifting mechanisms.
Ignition and Electrical
The electrical system is anchored by the YTZ10S battery, which must be kept at peak charge to support the extensive electronics suite, including the 7-inch TFT display and radar units. For combustion efficiency, NGK LMAR9G spark plugs are utilized, requiring a precise gap of 0.8–0.9 mm.
Chassis and Contact Patch
Handling precision is dictated by the 120/70-17 front and 180/55-17 rear tire combination. For optimal performance under touring loads, pressures should be maintained at 2.50 bar (36 psi) front and 2.90 bar (42 psi) rear.
Editor’s Verdict
The Yamaha MT-09 Tracer 9 GT+ Y-AMT is more than a motorcycle; it is a showcase of Yamaha’s electronic mastery. For the rider who demands the mechanical soul of the CP3 engine with the convenience of modern automation, this machine stands alone. Proper maintenance of the fluids and electrical health is the key to unlocking its long-distance potential.