| Quick Specs: Suzuki B-KING (WVCR) | |
|---|---|
| Production Years | 2007 – 2012 |
| Engine Type | 1340cc Inline-4 (Hayabusa Gen 2) |
| Engine Oil | SAE 10W-40 API SF/SG/SH/SJ/SL JASO MA/MA2 (3.3 L) |
| Tire Sizes | F: 120/70 ZR 17 / R: 200/50 ZR 17 |
| Tire Pressure | F: 2.5 bar (36 psi) / R: 2.9 bar (42 psi) |
| Battery | YT12A-BS |
| Spark Plug | NGK CR9EIA-9 |
Initially unveiled as a supercharged concept at the 2001 Tokyo Motor Show, the production Suzuki B-KING (GSX 1300 BK) remains one of the most ambitious engineering feats in the naked bike category. While the production model shed the supercharger, it inherited the legendary 1,340cc heart of the second-generation GSX1300R Hayabusa, making it a high-performance anomaly in the world of streetfighters.
Engineering Overview: The WVCR Platform
The B-KING’s architecture is centered around a massive twin-spar aluminum alloy frame designed to handle the 181+ horsepower generated by the inline-four powerplant. Unlike its aerodynamic cousin, the Hayabusa, the B-KING (WVCR) focuses on mechanical presence and low-to-mid-range torque delivery. The inclusion of the Suzuki Drive Mode Selector (S-DMS) allowed riders to toggle between full power and a restricted mode, a necessary feature for a machine of this displacement in a naked chassis.
Maintenance Guide & Technical Requirements
1. Lubrication System
To maintain the high-revving nature of the 1340cc engine, the B-KING requires high-quality synthetic or semi-synthetic oil. The capacity is 3.3 Liters when changing the filter. Always ensure the oil meets JASO MA/MA2 standards to prevent clutch slippage, as the B-KING utilizes a back-torque limiting clutch system.
2. Ignition & Electrical
The engine utilizes NGK CR9EIA-9 Iridium spark plugs. These are essential for the precise combustion required by the 12.5:1 compression ratio. The electrical system is powered by a YT12A-BS battery; given the high cranking amps required to turn over the large pistons, maintaining a healthy charge is critical to prevent sprag clutch wear.
3. Chassis & Contact Patch
The B-KING is famous for its massive 200/50 ZR 17 rear tire. While it provides a significant aesthetic boost, it requires precise pressure management for handling. Factory recommendations are 2.5 bar (36 psi) in the front and 2.9 bar (42 psi) in the rear. Deviating from these pressures can lead to heavy steering or premature tire cupping.
MotoSpecsLab Verdict
The Suzuki B-KING is a masterpiece of over-engineering. It offers a unique blend of hyperbike performance and upright ergonomics. For the collector or the performance enthusiast, the WVCR represents a period when Suzuki dared to build a machine without compromise. Regular maintenance of the cooling system and adherence to valve clearance intervals (every 24,000 km) will ensure this streetfighter remains the king of its class.