| Quick Specs: MTT890 (2023 – Present) | |
|---|---|
| Engine Type | 890cc CP3 Liquid-cooled Inline-3 |
| Oil Grade | 10W-40 / 15W-50 (API SG, JASO MA) |
| Oil Capacity | 3.1 Liters (Total) |
| Front Tire | 120/70 ZR 17 (36 psi) |
| Rear Tire | 180/55 ZR 17 (42 psi) |
| Spark Plug | NGK CPR9EA-9 |
| Battery | YTZ10S |
Engineering Highlight: The Tracer 9 GT+ marks a historic milestone for Yamaha as the first production motorcycle to integrate a Millimeter Wave Radar. This hardware enables a sophisticated Adaptive Cruise Control (ACC) and a Radar-Linked Unified Brake System, which dynamically adjusts braking force between front and rear wheels based on proximity to leading vehicles.
Technical Analysis: The CP3 Evolution
At the heart of the MTT890 lies the latest iteration of the Crossplane 3-cylinder (CP3) engine. This powerplant is renowned for its linear torque delivery and distinct acoustic profile. From a technical perspective, the GT+ utilizes a high-spec ride-by-wire system and a 6-axis IMU that manages the KYB Actimatic Damper System (KADS). This semi-active suspension is electronically linked to the radar, allowing the bike to stiffen its damping during emergency braking scenarios automatically.
Maintenance Guide & Fluid Specifications
To maintain the high-performance standards of the MTT890, adherence to the following service parameters is critical:
1. Lubrication System
The 890cc engine requires 3.1 liters of oil for a full change including filter. MotoSpecsLab recommends a high-quality synthetic 10W-40 for temperate climates or 15W-50 for high-heat environments. Ensure the oil meets API SG standards and JASO MA certification to protect the wet multi-plate clutch.
2. Ignition & Electrical
The Tracer 9 GT+ utilizes NGK CPR9EA-9 spark plugs. Given the high-compression nature of the CP3, plug gaps should be checked every 10,000 km. The electrical system is anchored by a YTZ10S battery; given the high draw of the 7-inch TFT display and radar systems, maintaining a healthy charge via a smart charger during storage is mandatory.
3. Chassis & Contact Patch
Handling precision on the GT+ is highly sensitive to tire pressure. The factory recommended pressures are 2.5 bar (36 psi) for the front and 2.9 bar (42 psi) for the rear. These pressures should be checked “cold” to ensure the semi-active suspension sensors calibrate correctly to the intended tire carcass deformation.
Editor’s Verdict
The Yamaha Tracer 9 GT+ (MTT890) represents the pinnacle of the middleweight sport-touring segment. By combining the raw character of the MT-09 platform with cutting-edge radar safety technology, Yamaha has created a machine that is as technically complex as it is rewarding to ride. Proper maintenance of its electronic sensors and fluid levels is paramount to preserving its sophisticated safety net.