| Specification | Value |
|---|---|
| Model Code | WVCG1131 / DU11AZ |
| Production Years | 2017 – 2020 |
| Engine Oil | SAE 10W-40 (JASO MA/MA2) – 1.3 Liters |
| Spark Plug | NGK CR7EIA-9 (Iridium) |
| Battery | YT12A-BS |
| Front Tire | 120/70-15 M/C 56S |
| Rear Tire | 150/70-13 M/C 64S |
The 2017 redesign of the Suzuki AN 400 Burgman marked a pivotal shift in the maxi-scooter segment. While its predecessors were often characterized as “luxury sofas,” the WVCG1131 generation introduced a leaner, more athletic chassis that shed 7kg of weight and integrated a larger 15-inch front wheel. This engineering overhaul significantly enhanced high-speed stability and cornering precision, successfully bridging the gap between touring comfort and urban agility.
Engineering Highlight: Euro 4 Compliance & Efficiency
The DU11AZ powerplant was meticulously refined to meet Euro 4 emissions standards without sacrificing the low-to-mid-range torque the Burgman is known for. Suzuki achieved this through a larger 13.5-liter airbox and a sophisticated fuel injection system. The inclusion of an Iridium spark plug (NGK CR7EIA-9) as standard equipment ensures more complete combustion and extended service intervals, reflecting Suzuki’s commitment to long-term reliability.
Maintenance Essentials
Lubrication System
For the WVCG1131, oil quality is paramount. The 400cc single-cylinder engine requires 1.3 liters of 10W-40 oil. It is critical to use oil that meets JASO MA or MA2 standards to ensure the centrifugal clutch and internal components are adequately protected. We recommend checking levels every 1,000 km, as high-speed highway commuting can lead to minor oil consumption in single-cylinder configurations.
Chassis and Tires
The move to a 15-inch front wheel (120/70-15) drastically improved the Burgman’s ability to track through mid-corner bumps. Proper inflation is vital for handling: 2.0 bar (29 psi) in the front and 2.5 bar (36 psi) in the rear for solo riding. If carrying a passenger, the rear pressure must be increased to 2.8 bar (41 psi) to maintain the tire’s profile and prevent overheating.
Electrical System
The Suzuki AN 400 utilizes a YT12A-BS battery. Given the complexity of the ABS system and the immobilizer, maintaining a healthy voltage is essential. If the scooter is stored for more than two weeks, a dedicated smart charger is recommended to prevent deep discharge, which can trigger ECU fault codes.
MotoSpecsLab Professional Verdict
The Suzuki AN 400 Burgman ABS (2017-2020) remains a benchmark for the mid-sized maxi-scooter category. Its blend of Japanese build quality and refined ergonomics makes it a superior choice for commuters who require highway capability. From a technician’s perspective, the WVCG1131 is well-laid-out, though the compact bodywork requires patience during major services. Adhering to the 10W-40 JASO MA2 oil specification and maintaining the Iridium ignition system are the two most important factors in achieving the 100,000km milestone often seen with these machines.