Yamaha FJ1200 6 Speed Close Ratio Gearbox

A full 6 speed 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, and a new selector drum ready to fit. Only a small modification is needed to the standard forks to fit.

The gears and shafts are superfinished as standard.

1st 14 – 40 2.857:1
} 30.0%
} 21.4%
} 17.8%
} 13.16%
2nd 18 – 36 2.000:1
3rd 21 – 33 1.571:1
4th 24 – 31 1.292:1
5th 26 – 29 1.115:1
Overall reduction 1st – 5th 61.0%

1st 15 – 36 2.400:1
} 23.2%
} 18.6%
} 13.9%
} 10.2%
} 7.2%
2nd 19 – 35 1.842:1
3rd 22 – 23 1.500:1
4th 24 – 31 1.292:1
5th 25 – 29 1.160:1
6th 26 – 28 1.077:1

Yamaha FJ1200 6 Speed Close Ratio Gearbox

Price £2750.00

+VAT (if applicable) & Carriage.

Nova assembly: 389