| Specification | Data |
|---|---|
| Model / Generation | MT-07 Y-AMT / 2025–Present |
| Engine Oil | Yamalube 10W-40 (API SG+ / JASO MA/MA2) |
| Oil Capacity | 2.30 L (Periodic) / 2.60 L (With Filter) |
| Tire Size (F/R) | 120/70 ZR 17 / 180/55 ZR 17 |
| Tire Pressure (F/R) | 2.25 bar (33 psi) / 2.50 bar (36 psi) |
| Battery Type | YTZ10S |
| Spark Plug | NGK LMAR8L-9 (Gap: 0.8–0.9 mm) |
The Engineering Milestone: Yamaha Automated Manual Transmission
The 2025 Yamaha MT-07 Y-AMT represents a pivotal shift in the ‘Dark Side of Japan’ philosophy. A unique engineering highlight of this model is the removal of the traditional foot-shift lever and hand-clutch assembly, replaced by a dual-actuator system that weighs only 2.8kg. Unlike traditional dual-clutch systems, the Y-AMT maintains the structural integrity and lightweight agility of the original CP2 gearbox while offering gear shifts in under 0.1 seconds via handlebar-mounted see-saw switches.
Technical Deep Dive: The CP2 Platform Integration
At the heart of the MT-07-YAMT/25 is the 689cc crossplane twin engine. While the internal combustion components remain largely unchanged, the ECU integration for the Y-AMT system requires precise synchronization between the throttle-by-wire and the shift actuators. This allows for ‘D’ and ‘D+’ automatic modes, or a full ‘MT’ manual mode where the rider dictates every shift point without the physical fatigue of clutch modulation.
Maintenance Essentials & Lubrication
For professional-grade maintenance, MotoSpecsLab recommends Yamalube 10W-40. Given the automated nature of the clutch engagement, maintaining oil viscosity and cleanliness is paramount for the longevity of the actuator seals.
- Periodic Change: 2.30 Liters
- Filter Change: 2.60 Liters
Always ensure the oil meets JASO MA2 standards to prevent slippage within the automated clutch pack.
Chassis and Contact Patch
The MT-07 Y-AMT utilizes high-performance radial rubber. For optimal handling geometry, maintain 33 psi (2.25 bar) in the 120/70-17 front and 36 psi (2.50 bar) in the 180/55-17 rear. Under-inflation can lead to sluggish turn-in, which is particularly noticeable on the Y-AMT model due to the slightly different weight bias of the shift actuators.
MotoSpecsLab Editorial Verdict
The 2025 MT-07 Y-AMT is not merely a ‘beginner’ bike with an automatic gearbox; it is a sophisticated re-imagining of rider engagement. By offloading the mechanical task of clutching to high-speed actuators, Yamaha has allowed the rider to focus entirely on line selection and throttle control. It remains the benchmark for the mid-weight naked category, now with added accessibility and technical flair.
Frequently Asked Questions (FAQ)
Q: Can I use a different spark plug?
A: It is highly recommended to stick with the NGK LMAR8L-9. The 0.8–0.9 mm gap is critical for the CP2’s combustion stability, especially with the Y-AMT’s specific fueling maps.
Q: What battery does the Y-AMT model use?
A: It uses the YTZ10S. Given the electrical load of the shift actuators, ensuring your battery is on a tender during long storage periods is vital.