2021 BMW S 1000 R – First Look

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By Troy Siahaan

The naked bike wars have gotten a little spicier today, as BMW announced the all-new S 1000 R – a complete redesign from the previous model. The changes are many, but some might call it a retuned version of the S 1000 RR sportbike. Not that that’s a bad thing. So, let’s get right into it.

Engine

In fact, BMW makes no secret of the fact this bike takes heavy inspiration from the fully-faired RR sportbike, especially in the engine and chassis department. The liter-class Inline-Four is very similar to the one in the RR and 5 kg lighter than its predecessor. But instead of making peak power, the single R spreads its power across more of the rev range. The result is a rating of 165 hp and 114 Nm (approximately 84 lb-ft) of torque, according to BMW. Maybe more impressive is the 60 lb-ft of torque available as low as 3000 rpm.

Another change between the R and RR are longer gear ratios for 4th, 5th, and 6th gears, which should lower engine speed while cruising and result in better fuel consumption. Interestingly, in BMW’s literature, it pointed out the reduced engine noise from the lower engine speed. Anyway, other tangible improvements include a new, smoother, slipper clutch, and optional engine drag torque control (MSR) is available, too. Basically, this is just another term for adjustable engine braking which, in coordination with the slipper clutch, limits rear wheel hop under hard or aggressive downshifts.

Chassis

Like the engine, the chassis is borrowed from the S 1000 RR, which BMW says is considerably lighter than the previous S 1000 R. As part of this weight reduction, the new frame is more flexible (and narrow) than before, so much so BMW is even calling it the Flex Frame with capital Fs. Because of this, the …read more

Source:: 2021 BMW S 1000 R – First Look

      

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