This is more of a tweak than a complete overhaul. The 2021 GSX-S1000’s engine, whose roots can be traced back to the almost legendary GSX-R1000 K5, is now Euro-5 compliant, it revs an extra 1000rpm and, although quoted peak torque is down, Suzuki assures us the torque curve is smoother and fatter than previously.
Capacity, bore and stroke, compression are the same with new camshafts, camchain and valve springs, along with a new slipper clutch and exhaust the most significant changes. There’s also new electronics, new dash, up-and-down quickshifter as standard and conventional traction control with more refinement – not forgetting bold new looks.
That might not sound like a gigantic leap in development, and without any lean-sensitive rider aids, it is behind the competition in terms of technology, but…
