2004-2010 Kawasaki ZX10R Close Ratio Gearbox

A direct replacement of the standard gears featuring optimised ratios used by Hawk Kawasaki in the British Superbike Series. We supply all the loose gears for both shafts.  All gears incorporate 3 undercut engagement dogs for rapid changes and positive retention when engaged.

NOTE: The standard clutch is retained and the gearbox should be assembled using the standard shafts, bearings, bushes, thrust washers etc.

1st 15 – 37 2.467:1
} 16.4%
} 13.3%
} 11.7%
} 8.2%
} 5.9%
2nd 16 – 33 2.063:1
3rd 19 – 34 1.789:1
4th 19 – 30 1.579:1
5th 20 – 29 1.450:1
6th 22 – 30 1.364:1
Overall reduction 1st – 6th 44.7%

1st 15 – 38 2.533:1
} 18.9%
} 15.4%
} 12.3%
} 9.3%
} 5.6%
2nd 19 – 39 2.053:1
3rd 19 – 33 1.737:1
4th 21 – 32 1.524:1
5th 21 – 29 1.381:1
6th 23 – 30 1.304:1
Overall reduction 1st – 6th 48.9%

2004-2010 Kawasaki ZX10R Close Ratio Gearbox

+VAT (if applicable) & Carriage.

Nova assembly: 00112-000