The engine commissioned for the 2016 GSX-S1000 was pulled from the renowned 2005 GSX-R1000 K5 bike mated to the stout 6-speed transmission from the current-model GSX-R1000. Of course, some of the components have been retuned for this naked sport application. For example, the titanium intake and exhaust valves have been swapped out for steel valves of the same dimensions for better operation at lower RPMs during street use. The slipper clutch system on the GSX-R model has been removed and replaced with a traditional multi-plate, wet clutch system operated by a standard cable with a relatively heavy pull. However, improvements in manufacturing processes give the GSX-S1000 lighter-weight pistons than those packed into the GSX-R model.
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