Unique Engineering Highlight: Unlike its predecessor the FZ6, the XJ6 Diversion F utilized a redesigned cylinder head and intake system specifically engineered to optimize ‘low-to-mid-range’ torque. This focus on fluid power delivery over top-end rush made the RJ199/RJ22 platform one of the most accessible yet capable middleweight sport-tourers of its era, featuring a full fairing that significantly improved aerodynamic efficiency for long-distance stability.
| Component | Specification |
|---|---|
| Model Series | Yamaha XJ6 Diversion F (RJ199/RJ22) |
| Production Years | 2010–2016 |
| Engine Oil | SAE 10W-40 (API SG+, JASO MA) – 2.5 Liters |
| Tire Dimensions | F: 120/70 ZR 17 / R: 160/60 ZR 17 |
| Tire Pressure | F: 2.25 bar (33 psi) / R: 2.50 bar (36 psi) |
| Battery Type | YT12B-BS |
| Spark Plug | NGK CR9E (0.7–0.8 mm gap) |
Technical Overview: The RJ199/RJ22 Platform
The Yamaha XJ6 Diversion F represents the pinnacle of the XJ6 evolution. While the ‘N’ and ‘S’ models offered naked and half-faired options, the ‘F’ model (RJ199/RJ22) provided a full-body fairing that transformed the bike into a genuine touring machine. The inclusion of standard ABS (Serienmäßig) across these specific designations underscored Yamaha’s commitment to safety in the European market.
Engine & Performance
At the heart of the RJ199/RJ22 is a liquid-cooled, 600cc inline-four engine. Engineers tuned this powerplant for linear acceleration. By utilizing a slim-type chassis and a 4-into-1 exhaust system with a mid-ship muffler, the bike maintains a low center of gravity, enhancing flickability in corners while remaining stable at highway speeds.
Maintenance Essentials
For the MotoSpecsLab technician, maintaining the XJ6 Diversion F requires precision. The 2.5-liter oil capacity (SAE 10W-40) is critical for heat dissipation in the compact engine block. We recommend high-grade JASO MA oils to ensure the wet clutch operates without slipping under load.
- Ignition: The NGK CR9E plugs should be gapped strictly between 0.7 and 0.8 mm to prevent misfires.
- Electrical: The YT12B-BS battery provides the necessary cold-cranking amps for the EFI system; ensure terminals are clean and tight.
- Tires: Maintaining the 2.25/2.50 bar pressure balance is vital for the longevity of the 120/70 and 160/60 ZR 17 rubber, especially when carrying luggage.
MotoSpecsLab Editorial Verdict
The Yamaha XJ6 Diversion F remains a gold standard for reliability. Its mechanical simplicity compared to modern ride-by-wire systems makes it a favorite for DIY enthusiasts, while the RJ199/RJ22’s ABS integration provides the modern security expected by today’s riders. It is a masterclass in balanced engineering.