In 2009, Suzuki launched the GSX-R1000, a supersport motorcycle that was not a completely new-generation machine, but Suzuki's engineers continued to think and squeeze out more performance from the engine while chassis tweaks constantly improved cornering, grip, and maneuverability.
The newly designed frame had a 10 mm shorter wheelbase, with the swingarm lengthened by 32 mm for enhanced cornering and traction performance. For an improved external appearance and optimized rigidity balance, the welding beads were moved from frame side surfaces to less visible positions.
Thanks to the Suzuki Clutch Assist System (SCAS), the lever feel was lighter and less tiring even during longer track sessions, while the presence of multiple parts crafted from lightweight materials kept the bike on a strict diet. Chassis, wheels, and engine revisions also helped for better mass distribution and a more aggressive feel.
In the power department, the bike featured a bunch of changes, with the piston speeds lowered due to a revised short-stroke engine with a larger bore which resulted in a raised potential of the engine tuning to increase engine speed and power. Other changes were made to the compression ratio, cam profiles, and combustion chamber shape, which resulted in a user-friendly flat torque in every rpm range.
The engine that powered the 2009 Suzuki GSX-R100 was a 999cc four-stroke four-cylinder liquid-cooled engine with a power output of 185 hp at 11,500 rpm and 117 Nm (86 lb-ft) of torque available at 10,000rpm.