Replacement gearbox kit Standard, Close ratio or endurance long first gear.
Our new gearbox kit now works with all of the different generations of YX engine whether its older ball race or needel roller originally.
N-1-2-3-4 all up positive response
Kit includes.
- Selector
- Main shaft
- Secondary shaft.
Red gears are different from standard
Close ratio Close ratio lower 4th Standard Endurance tall 1st
1st gear 13/34 1st gear 13/34 1stgear 11/36 1st gear 14/32
2nd gear 17/29 2nd gear 17/29 2ndgear 16/ 31 2nd gear 17/29
3rd gear 17/23 3rd gear 17/23 3rdgear 17/23 3rd gear 17/23
4th gear 20/21 4th gear 19/21 4th gear 20/21 4th gear 20/21