| Attribute | Specification |
|---|---|
| Model / Generation | Kawasaki Versys 1100 S – KLZ1100B (2025–Present) |
| Engine Oil | SAE 10W-40 (API SG-SN; JASO MA/MA2) – 3.2 Liters |
| Tire Dimensions | F: 120/70 ZR 17 | R: 180/55 ZR 17 |
| Tire Pressure | Front: 2.5 bar (36 psi) | Rear: 2.9 bar (42 psi) |
| Battery Type | YTX9-BS |
| Spark Plug | NGK CR9EIA-9 |
Engineering Highlight: The KLZ1100B represents a pivotal shift in Kawasaki’s adventure-touring philosophy. Unlike its predecessors that relied on high-revving peak power, the 1100 S utilizes a significantly revised 1,099cc inline-four engine with a longer stroke. This engineering choice prioritizes a massive ‘torque plateau’ between 4,000 and 7,000 RPM, specifically designed to handle the aerodynamic drag of full panniers and a pillion passenger without the need for constant downshifting.
Technical Review: The Versatile Evolution
The 2025 Kawasaki Versys 1100 S is a masterclass in refinement. By increasing the displacement from the previous 1,043cc platform, Kawasaki has addressed the primary feedback from long-distance tourers: the need for effortless overtaking power. The KLZ1100B features an updated IMU-enhanced electronics suite, including Kawasaki Cornering Management Function (KCMF) and electronic cruise control as standard.
The ‘S’ trim level bridges the gap between the base model and the SE, offering the high-quality TFT instrumentation and bi-directional quickshifter, while utilizing manually adjustable Showa suspension for riders who prefer mechanical tactile feedback over electronic semi-active systems.
Maintenance Guide & Technical Data
1. Lubrication System
The Versys 1100 S requires 3.2 liters of high-quality synthetic or semi-synthetic 10W-40 oil. It is critical to use oil that meets JASO MA2 standards to ensure the wet clutch and integrated quickshifter operate smoothly. MotoSpecsLab recommends an oil and filter change every 7,500 miles (12,000 km) or annually.
2. Tires and Chassis
Maintaining correct tire pressure is vital for the KLZ1100B’s handling characteristics. The factory recommends 2.5 bar (36 psi) in the front and 2.9 bar (42 psi) in the rear. Given the bike’s 17-inch wheel configuration, it remains compatible with a wide range of sport-touring rubber, allowing owners to prioritize either longevity or cornering grip.
3. Ignition and Electrical
The engine utilizes NGK CR9EIA-9 Iridium spark plugs. These are designed for longevity, but should be inspected for fouling during major service intervals. The electrical system is powered by a YTX9-BS battery; given the high electronic load of the TFT display and IMU, we recommend using a smart charger during winter storage to prevent deep discharge.
Expert Verdict
The Kawasaki Versys 1100 S (KLZ1100B) remains one of the most logical choices for the ‘Any Road, Any Time’ mission profile. It avoids the complexity of off-road-focused 21-inch front wheels, focusing instead on road-biased stability and refined four-cylinder smoothness. For the technician, it remains a relatively accessible machine to service, provided the specific torque and fluid requirements are strictly followed.