03-07 Honda XR650 R Close Road Ratio Race Gearbox

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Full close ratio gearset for the Honda XR650 R.  All gears incorporate 3 undercut engagement dogs for rapid changes and positive retention when engaged.   Fully optimized ratios for road racing and incorporates superfinishing as standard. 

 

Kit includes input shaft and all gears.  Assembled using customers standard output shaft, circlips, bushes, bearings and washers.

 

Comparison to Standard Honda XR650R Gearbox

 

Nova Close Ratio Gearset     %  Drop            Honda Standard Box              % Drop       

 

1st      16 - 37        2.313:1                                1st      12 - 37        3.083:1  
                                                 )    25.6%                                                                 )     31.1%
2nd     18 - 31        1.722:1                               2nd      16 - 34        2.125:1 
                                                 )    18.7%                                                                 )     21.6%
3rd      20 - 28        1.400:1                                3rd      18 - 30        1.667:1 
                                                 )    11.9%                                                                 )     20.0%
4th      21 - 26        1.238:1                                 4th      21 - 28        1.333:1   
                                                 )      7.1%                                                                 )     16.4%
5th      20 - 23        1.150:1                                 5th      26 - 29        1.115:1  

                                 

Overall Reduction 1st - 5th      50.3%            Overall Reduction 1st - 5th           63.8 %

 

To find out about availability or to order this product or for further information please click here   

 

Price: £1,250.00 + VAT (if applicable) & Carriage

 

	Nova Honda XR650R Close Ratio Road Race Gearbox Superfinished As Standard