Honda CB72/77 Close Ratio Conversion
A close ratio conversion kit for short circuit racing for the Honda CB72/77.
This kit comprises a new 2nd gear pair which fits on the standard shafts with no modifications required and the 2nd mainshaft gear includes a new bronze bush.
Superfinished in house as standard.
1st | 18 – 34 | 2.788:1 |
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2nd | 24 – 27 | 1.667:1 | ||||
3rd | 29 – 23 | 1.171:1 | ||||
4th | 31 – 21 | 1.000:1 | ||||
DR | 21 – 31 | 1.476:1 | ||||
Overall reduction 1st – 4th | 64.1% |
1st | 18 – 34 | 2.788:1 |
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2nd | 21 – 21 | 1.476:1 | ||||
3rd | 29 – 23 | 1.171:1 | ||||
4th | 31 – 21 | 1.000:1 | ||||
DR | 21 – 31 | 1.476:1 | ||||
Overall reduction 1st – 4th | 64.1% |