Horses for Mountain Courses
The SG6 race bike uses an Aprilia Wsb-spec engine. That means a 60-degree V4 1000cc producing a claimed 220bhp. But the road bike uses a 72° V4 designed and build by Norton. The British-built 1200cc motor will produce a claimed 201bhp @ 12,500rpm with 95.88ftlb of torque at 10,000rpm.