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Supermono

April 2008

 

We are continuing to develop a range of transmission parts for the 4 stroke motorcross engines being converted for use in supermono racing.  Close ratio road race style 5 speed gear clusters have been produced for the CRF450 and YZF450 engines.  Higher ratio primary gears for the CRF engine are now available. 

A 6 speed gearbox for the CRF450 has successfully completed its first meeting, being placed 6th and 4th in the British Supermono Championship rounds at the Snetterton race track on 11th and 12th April. 

Suzuki GT500

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Close ratio gear conversions

Together with some of the existing Suzuki gears gives ratios exactly the same as the works 5 speeders.
   
1st    15/27            1.8:1  
                                      )      26%
2nd   18/24       1.333:1
                                      )      17.5%
3rd    20/22           1.1:1
                                      )      13.3%
4th    22/21       0.954:1
                                      )       8.8%
5th    23/20       0.870:1

Overall Reduction 51.7%

Our conversion kit comprises a new input shaft with 1st and 2nd gears machined on the shaft and a press on 3rd.  1st and 2nd gears for the output shaft.  The remaining gears being Suzuki originals. We can also supply 4th and 5th gears to press onto the main shaft .

Price £525 + vat & carriage
Press on 4th and 5th gears £65 each


Straight cut primary gears

These are also available at work ratios of (2.2 : 1) and are supplied complete with rivets.

Price £230 per set + vat & carriage


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Nova Racing Transmissions Ltd  8 Horseshoe Yard  Crowland  PE6 0BJ  UK
Tel: 01733 210082  Email: info@novaracing.com