How Much Power Does the 2023 Beta 350 RR-S Make?

Beta offers four dual sport models of varying engine sizes, and the 350 RR-S is the smallest of them in terms of displacement. The Italian company is one of four motorcycle brands to produce a 350 four-stroke street-legal dirt bike, and the only manufacturer outside of Austria to offer such a model.

According to Beta, its 350 RR-S, 390 RR-S, 430 RR-S, and 500 RR-S engines share the same tune as the off-road-only RR models. Having tested three of the aforementioned machines before and experiencing their aggressive power delivery (by dual sport standards), we believe it. This year marks the first time we’ve had a 350 RR-S in our stable of testbikes. How would it perform on the Dirt Rider dyno?

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The fuel-injected liquid-cooled DOHC four-stroke 349cc single-cylinder engine churned out peak figures of 36.5 hp at 8,400 rpm and 24.1 lb.-ft. of torque at 7,000 rpm. For comparison, the 2023 Husqvarna FE 350s pumped out 32.4 hp at 8,400 rpm and 20.9 lb.-ft. of torque at 7,600 rpm. An additional 4.1 hp and 3.2 lb.-ft. of torque at peak is certainly impressive, and likely makes the Beta the most powerful bike in the 350cc dual sport segment seeing as its competitors all share the same engine.

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