GSX-R1000 2009

We learned only days ago in our report from Suzuki’s 2009 model line unveiling in Paris that, what is in this day and age already old news, the mighty Gixxer Thou got hit with a heavy dose of updates, to the point of being very much a new machine.

Bore and stroke of 74.5 x 57.3mm are different from the K8 model’s 73.4 x 59.0mm but still yield 999cc. A reshaped combustion chamber and cylinder head, thanks in part to a shorter intake camshaft with a relocated cam angle sensor, now sees a compression ratio of 12.8:1 vs. 12.5:1, and a lighter and reshaped airbox works with downdraft intake manifolds decreased in length by 10mm.

Titanium intake and exhaust valves are marginally larger, by 1mm each: 30 to 31mm and 24 to 25, respectively.

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