The dyno charts below compare a Honda CB1300, Suzuki GSX1400 and Yamaha XJR1300 on the dyno.  All bikes were fitted with aftermarket mufflers.

Charts show horsepower and torque curves in relation to both revs and road speed.  All dyno runs were undertaken in one gear below top, with the best of a number of runs from each bike selected for this comparison.CB_GS_XJ_P

Dyno chart – Horsepower v RPM

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Dyno chart – Horsepower v Road speed in one gear under top

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Dyno chart – Torque v RPM

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Dyno chart – Torque v Road speed in one gear under top