Kawasaki ER6 Close Ratio Gearbox

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

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

Superfinished in house as standard.

1st 16 – 39 2.438:1
} 29.7%
} 22.2%
} 16.7%
} 13.1%
} 11.8%
2nd 21 – 36 1.714:1
3rd 24 – 32 1.333:1
4th 27 – 30 1.111:1
5th 29 – 28 0.966:1
6th 27 – 23 0.852:1
Overall reduction 1st – 6th 65.1%
1st 20 – 36 1.800:1
} 21.1%
} 16.2%
} 12.6%
} 10.5%
} 8.5%
2nd 19 – 27 1.421:1
3rd 21 – 25 1.190:1
4th 25 – 26 1.040:1
5th 29 – 27 0.931:1
6th 27 – 23 0.852:1
Overall reduction 1st – 6th 52.7%
1st 18 – 38 2.111:1
} 32.7%
} 16.2%
} 12.6%
} 10.5%
} 8.5%
2nd 19 – 27 1.421:1
3rd 21 – 25 1.190:1
4th 25 – 26 1.040:1
5th 29 – 27 0.931:1
6th 27 – 23 0.852:1
Overall reduction 1st – 6th 59.6%

Kawasaki ER6 Close Ratio Gearbox

Price £2310.00

+VAT (if applicable) & Carriage.

Nova assembly: 05511-000