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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. 

Honda CB350 K4

Full six speed close ratio gear set comprising both input and output shafts and all gears, selector drum with indexing block and using standard selector forks.  Supplied fully assembled ready for installation.

All engagement dogs are undercut and have three dogs to promote positive and rapid engagement.

 

Ratios are as follows:

1st   17 - 34    2:1  
                                       )          25%
2nd  22 - 23   1.5:1  
                                       )          15%
3rd   22 - 28   1.273:1  
                                       )          12.7%
4th   27 - 30   1.111:1  
                                       )          10%
5th   25 - 25   1:1  
                                       )          7.1%
6th   28 - 26   0.929:1  

Overall reduction 1st - 6th   53.6%

 

Price £1200 + vat & carriage

 

 

 


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