☞ Video: New 2021 Kawasaki Ninja ZX10R&RR Full Review//World Premiere
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However, Kawasaki’s engineers haven’t just altered the ZX-10R’s styling – there are plenty of tweaks to the rest of the bike as well.
One area of focus has been the riding position, which is revised to improve both comfort and control. The taller screen gives better wind protection, while the bars are straighter and 10mm further forward than before to give more leverage. A steeper slant to the rider’s seat encourages a tucked-in riding position, as do 5mm higher footpegs.
While the engine is the same 998cc four as before, it gets a new oil cooler for 2021. Peak power and torque figures have yet to be officially announced, but leaked type-approval documents suggest that power is unchanged at 203PS (149.3kW) for the ZX-10R, achieved at a slightly lower 13,200rpm instead of the previous 13,500rpm. That may be due to the bike’s new exhaust, which includes revised header pipes, a repositioned catalytic converter, a smaller collector box and longer silencer. The pipe probably accounts for the fractional increase in the bike’s weight, up from 206kg to 207kg (wet) for both the R and RR.
The ZX-10R’s gearing is also modified, with a larger rear sprocket – 41t instead of 39t – and shorter ratios for 1st, 2nd and 3rd for improve acceleration.
The homologation-special ZX-10RR – a limited-production model with just 500 due to be made – gets more significant engine changes including a higher rev limit set at 14,700 instead of 14,200rpm. That’s notable as WSB’s mandatory rev limits are derived from the production bikes’ maximums. To achieve the higher-revving potential, the RR gets new camshafts, new valve springs, new Pankl pistons (each 20g lighter) with one fewer piston rings, shorter skirts to reduce friction and DLC-coated piston pins. The RR also swaps the old intake funnels – which were 10mm tall for the outer two cylinders and 30mm tall for the inner pair – for much shorter ones, all just 5mm tall, to move performance higher up the rev range. Again there’s no official word on power yet, but homologation documents suggest the RR maxes at 204PS (150kW), the same as the previous version, but now at 14,000rpm instead of 13,500rpm.
How much for all this? The base 2021 ZX-10R is set to have an RRP of £15,799 – a significant hike over the £14,499 of the 2020 model – while the ZX-10RR will set you back £24,799. Again, that’s a chunk of change more than the £21,199 asked for the previous version. Kawasaki is also planning to offer Akrapovic-equipped ‘Performance Edition’ versions of both models, with prices of £16,999 for the ZX-10R Performance Edition and £25,599 for the ZX-10RR Performance Edition.
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