Kawasaki ZX7 Close Ratio Gearbox

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A full close ratio gearbox optimized for racing with undercut dogs for fast, accurate gear changes and positive retention. 

Two different ratio sets are available one being more suited to short circuit racing, whereas the other is optimized more for endurance and road racing.

We supply the fully assembled input and output shafts ready to fit

 

Kawasaki ZX7 Standard Gearset >
1st 14 - 40 2.857:1
} 30.0%
} 19.1%
} 14.1%
} 12.2%
} 9.7%
2nd 18 - 36 2.000:1
3rd 21 - 34 1.619:1
4th 23 - 34 1.391:1
5th 27 - 33 1.222:1
6th 29 - 32 1.103:1
 
Overall reduction 1st - 6th 61.4%
Kawasaki ZX7 Close Ratio A Gearset >
1st 16 - 38 2.375:1
} 18.0%
} 14.4%
} 11.4%
} 9.7%
} 7.0%
2nd 19 - 37 1.947:1
3rd 21 - 35 1.667:1
4th 21 - 31 1.476:1
5th 24 - 32 1.333:1
6th 25 - 31 1.240:1
 
Overall reduction 1st - 6th 47.8%
Kawasaki ZX7 Close Ratio B Gearset >
1st 15 - 37 2.375
} 21.1%
} 16.9%
} 14.1%
} 10.9%
} 8.2%
2nd 19 - 37 1.947:1
3rd 21 - 34 1.619:1
4th 23 - 32 1.391:1
5th 25 - 31 1.240:1
6th 29 - 33 1.138:1
 
Overall reduction 1st - 6th 53.9%
Kawasaki ZX7 Close Ratio C Gearset >
1st 15 - 37 2.375
} 21.1%
} 16.9%
} 14.1%
} 10.9%
} 5.0%
2nd 19 - 37 1.947:1
3rd 21 - 34 1.619:1
4th 23 - 32 1.391:1
5th 25 - 31 1.240:1
6th 28 - 33 1.179:1
 
Overall reduction 1st - 6th 52.2%

Kawasaki ZX7 Close Ratio Gearbox

Price £2100.00

+VAT (if applicable) & Carriage

Availability: Call