Honda CRF450 Close Ratio 6 Speed Gearbox

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Turns a standard Honda CRF 450 5 Speed motocross engine into a road racing missile!!  A completely original design requiring new gearshafts selector drum and forks.  Prototypes ridden in the British Supermono Championship by Jeff Claridge and Michael Payne have shown the way forward; the pair finishing 5th and 2nd in 2009.

 

This kit includes two assembled shafts, a new selector drum and three selector forks.

 

CLICK HERE FOR CRF450 PRIMARY DRIVE

 

Available With Superfinish

 

Click here for an explaination about gear ratios

 

Gear Ratio's

Nova Race Gearset                     % Drop                Honda Moto X Box

1st      15 - 27        1.800:1  
                                                   )      21.6%                        18.3%
2nd    17 - 24         1.412:1 
                                                   )      13.5%                        16.0%
3rd     18 - 22         1.222:1 
                                                   )      10.4%                        15.0%
4th      21 - 23         1.095:1   
                                                   )        8.7%                        13.4%
5th      23 - 23         1.000:1  
                                                   )        7.7%                                     

6th      26 - 24         0.923:1          

 

Overall Reduction                          48.7%           Overall Reduction   49.5%

 

Price £1700 + VAT (if applicable) & Carriage

 

	Nova Honda CRF450 Close Ratio 6 Speed Road Race Gearbox

CLICK HERE FOR HONDA CRF450 BILLET ENGINE CASES DESIGNED TO FIT A HONDA RS125 CHASSIS.