Cycle News

Cycle News 2017 Issue 07 February 22

Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles

Issue link: https://magazine.cyclenews.com/i/789906

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2017 HONDA CBR1000RR AND CBR1000RR SP FIRST TEST P74 disappears and drive is restored. It's a wholly frustrating experi- ence because it doesn't need to be like this, and strange because considering the Honda runs an IMU—the same as many other manufacturers—they seem to have deliberately altered one on the IMU's inherent strong points in having wheelie and traction con- trol separate and independently variable. The only way around the anti- wheelie issue is to go old school and turn the system off complete- ly. But turning the anti-wheelie off means you also turn traction control off, and while it's nice to drift and slide a superbike, having that protective net of traction and wheelie control removed is not a great thing. Another electronic issue rears its head in the braking depart- ment. Remember when I said the ABS was pulsing badly? Well, this is due to the Honda Rear Wheel Lift control algorithm. The sys- tem uses the IMU to determine, via acceleration in the direction perpendicular to lift (take a pair of scissors and open them 45°, imagining the lower blade end is the front wheel and the top blade is the top of the fairing), if the rear wheel is in danger of coming off the ground under braking. Under hard braking like the downhill turns of one and five at Portimao, the system would pul- sate pretty violently, so much that on one corner entry it knocked the pads back enough for me to blow the corner. A simple fix would be just to Yay for Honda! It's about time the new CBR1000RR came to dealer floors. cont. on page 76

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