How Much Power Does the 2023 Suzuki GSX-R600 Make?

Measuring max power output from Suzuki’s smallest inline-four on the Cycle World dyno.

Suzuki’s latest GSX-R600 has been in the middleweight sportbike market for more than a decade. Although the 600 has not been updated since its major overhaul in 2011, competing in championships such as MotoAmerica’s Supersport class has kept the bike relevant in the roadracing world. Yamaha’s YZF-R7 and Aprilias RS 660 have created alternative parallel-twin powered choices when shopping for a middleweight sportbike, but for those seeking a traditional, simplistic, and iconic track bike, the 2023 Suzuki GSX-R600 is a great starting point.

Featuring a bore and stroke of 67.0mm x 42.5mm and a compression ratio of 12.9:1, the 599cc GSX-R600 is most effective in the upper rpm. The Suzuki doesn’t have any electronic intervention and only features two engine modes (A and B). We performance tested the inline-four in the aggressive mode (A mode) for best results.

2023 Suzuki GSX-R600 Dyno Chart.Robert Martin

On the in-house Dynojet 250i dynamometer, the 2023 Suzuki GSX-R600 produced 102.9 hp at 13,500 rpm and 44.0 lb.-ft. of torque at 11,600 rpm. Weighing 419 pounds on our automotive scales, the Suzuki has a similar power-to-weight ratio as its biggest competitor, the Kawasaki Ninja ZX-6R with 108.4 hp and a curb weight of 432 pounds. Suzuki’s 599cc inline-four has a linear power curve that delivers a consistent response through the entire rpm range. Its lackluster bottom-end torque requires the rider to manage the revs more than its competitors, but its stable chassis makes up for it through the corners.

The 2023 Suzuki GSX-R600 may not be the most advanced middleweight sportbike on the market but its competitive platform offers a strong starting point for trackday enthusiast, racers, or weekend warriors willing to spruce up the already capable machine.