2015-2017 Yamaha R1 Close Ratio Gearset for Racing

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A full close ratio gearset for the latest model R1.  The standard Yamaha R1 gearbox has many well documented issues with strength when used under racing conditions.

The Nova gears supplied are manufactured from a certified motorsport grade billet material, feature undercut dogs and are super finished as supplied.

The ratios have been optimised for improved performance on the track, allowing the use of more gears by moving the ratios closer together.

These gears are not interchangeable with the Yamaha gears and must be fitted as a set onto the existing standard input and output shafts.

All 10 loose gears for both shafts (2nd to 6th input and 1st to 6th output) are supplied and spare parts are available if needed.

 

Yamaha Standard Gearset >
1st 15 - 39 2.600:1
} 16.3%
} 15.4%
} 14.3%
} 12.5%
} 9.5%
2nd 17 - 37 2.176:1
3rd 19 - 35 1.842:1
4th 19 - 30 1.579:1
5th 21 - 29 1.381:1
6th 24 - 30 1.250:1
 
Overall reduction 1st - 6th 51.9%
Nova CR A Gearset >
1st 15 - 38 2.533:1
} 16.7%
} 14.7%
} 11.1%
} 9.1%
} 7.3%
2nd 18 - 38 2.111:1
3rd 20 - 36 1.800:1
4th 20 - 32 1.600:1
5th 22 - 32 1.455:1
6th 23 - 31 1.348:1
 
Overall reduction 1st - 6th 46.8%

2015-2017 Yamaha R1 Close Ratio Gearset for Racing

Price £1495.00

+VAT (if applicable) & Carriage

Availability: Call