Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jun 11, 2012
Norton Motorcycles return to the TT races after 20 years with the SG1. The V4 engine features a Specialist Components Typhoon 2 engine management system. All electronics, wiring, data acquisition and dash display systems supplied, calibrated and fitted by Specialist Components.