| Specification | Data |
|---|---|
| Production Years | 2017 – 2020 |
| Engine Type | 689cc CP2 Parallel Twin |
| Oil Requirement | Yamalube 10W-40 (2.6 L) |
| Tire Dimensions | F: 120/70 ZR 17 | R: 180/55 ZR 17 |
| Tire Pressure | F: 33 psi | R: 36 psi |
| Battery Type | YTZ10S |
| Spark Plug | NGK LMAR8AD-9 |
The Yamaha MT-07 (EURO 4) series, encompassing the RM17, RM18, and RM33 designations, represents the pinnacle of the second-generation Hyper Naked evolution. A unique engineering highlight of this machine is its Crossplane Concept (CP2) engine, which utilizes a 270-degree crankshaft. This design choice provides an uneven firing interval that mimics the torque delivery and character of a V-twin while retaining the compact weight and thermal efficiency of a parallel twin—a masterstroke in mid-weight motorcycle engineering.
Technical Evolution: RM17 to RM18
While the RM17 (2017) introduced the necessary emissions hardware to meet EURO 4 compliance, the RM18 (2018-2020) brought significant chassis refinements. Engineers addressed the primary criticism of the original platform by revising the suspension damping and spring rates, providing a more composed ride during aggressive cornering. The RM33 variants often denote specific regional ABS configurations or restricted licenses (A2), but they share the same robust mechanical DNA.
Maintenance Essentials
Lubrication System
For the RM17/18/33 models, Yamaha specifies Yamalube 10W-40. The oil capacity for a standard change with filter replacement is 2.6 liters. It is critical to use oil meeting JASO MA standards to ensure the wet clutch operates without slippage.
Ignition and Electrical
The EURO 4 MT-07 utilizes the NGK LMAR8AD-9 spark plug. These long-reach plugs are essential for the high-compression efficiency of the CP2 engine. The electrical system is powered by a YTZ10S battery; given the MT-07’s lack of a kickstarter, maintaining battery health with a smart charger during winter storage is paramount.
Tires and Handling
The MT-07 is sensitive to tire wear. The standard fitment is 120/70-17 front and 180/55-17 rear. To maintain the agile flickability the ‘Master of Torque’ is known for, pressures must be kept strictly at 2.25 bar (33 psi) front and 2.5 bar (36 psi) rear.
Expert Verdict
The 2017–2020 MT-07 remains a benchmark for reliability. Its EURO 4 iteration balanced environmental responsibility with the raw, mechanical soul that defined the MT line. For owners, regular chain tensioning and adherence to the 10,000 km (6,000 mile) service intervals will ensure this CP2 powerplant easily exceeds the 100,000 km milestone.