Yamaha TZ350 & TZ250 Replacement Gears & Shafts

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We manufacture replacement standard gears exclusively for Greenham Racing.

 

Gearset  Ratios                          %  Drop       

1st      15 - 29        1.933:1    

                                                    )     26.5%

2nd     19 - 27        1.421:1

                                                    )     20.8%

3rd      24 - 27        1.125:1 

                                                    )     14.5%

4th       26 - 25        0.962:1

                                                    )       9.6%

5th       23 - 20        0.870:1

                                                    )       6.2%

6th      27 - 22         0.815:1

 

Overall Reduction 1st - 6th          57.8%      

 

Available From Geoff Greenham Racing

http://www.greenhamracing.co.uk/page14.html