Author Topic: CR750 gear ratio/# of teeth on main and countershaft  (Read 1069 times)

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Offline Bill/BentON Racing

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CR750 gear ratio/# of teeth on main and countershaft
« on: October 04, 2013, 01:20:07 pm »
Can't find my info cause I'm still MOVING!!!! ;) ;D But found a gear cluster,main 1st gear is 24,which I know is correct for CR750,Thanks,Bill ;D
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Offline kmb69

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Re: CR750 gear ratio/# of teeth on main and countershaft
« Reply #1 on: October 04, 2013, 07:12:29 pm »
Don't think the Nova CR Trans is an exact copy but they have this posted on their website if it helps.
Nova Race Gearset               % Drop              Honda Standard Box                  % Drop
1st      18 - 37        2.055:1                                1st       18 - 45       2.500:1         
                                                 )   27.0%                                                              )        31.7%
2nd     22 - 33        1.500:1                                2nd       24 -41       1.708:1     
                                                 )   17.3%                                                              )        22.0%
3rd      25 - 31        1.240:1                               3rd        27 - 36      1.333:1   
                                                 )   14.0%                                                              )        17.7%
4th      31 - 33        1.065:1                               4th        31 - 34      1.097:1     
                                                 )     9.0%                                                              )        14.4%
5th      32 - 31        0.969:1                               5th        33 - 31      0.939:1     
Overall Reduction 1st - 5th     52.8%              Overall Reduction 1st - 5th         62.5%

Offline Sam Green Racing

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Re: CR750 gear ratio/# of teeth on main and countershaft
« Reply #2 on: October 04, 2013, 07:49:19 pm »
Keith,

1st   24  41  1.708.

2nd  27  38  1.41.

3rd  30  36  1.20.

4th  30  32   1.07.

5th  34  31   0.91.

as you can see, it's much closer than the Nova cluster.

Sam.  ;)
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Offline kmb69

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Re: CR750 gear ratio/# of teeth on main and countershaft
« Reply #3 on: October 04, 2013, 10:35:42 pm »
as you can see, it's much closer than the Nova cluster.

Sam.  ;)

I guess so! Just a little! Thanks Sam.