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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 CBR1100 Blackbird

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A direct replacement of the standard gears, we supply a new input shaft and all loose gears for both shafts. All gears incorporate 3 undercut engagement dogs for rapid changes and positive retention when engaged. The standard clutch is retained and is assembled using the standard output shaft, bearings, bushes, thrust washers etc.

Our ratio's are as follows:-
                                          Percentage drop
1st   15  -  33      2.2:1     
                                          ) 21%
2nd  19  -  33  1.737:1 
                                          ) 16.52%
3rd  20  -  29    1.45:1  
                                          ) 13.79%
4th  24  -  30    1.25:1  
                                          ) 10.4%
5th  25  -  28    1.12:1
                                          ) 6.96%
6th  24  -  25  1.042:1  
      

Overall reduction 1st   -   6th   52.64%

 

Price £1250 + vat & carriage


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