which has better gear ratio?


AFAIK both those gearboxes share the exact same gear ratios
 
Y21/S4C
1st gear Ratio 3.23
2nd gear Ratio 2.105
3rd gear Ratio 1.458
4th gear Ratio 1.107
5th gear Ratio 0.848
Final Drive Ratio 4.4
 
AFAIK both those gearboxes share the exact same gear ratios

ohh ok thanks, cause ma mate wants to swap me the y21 for my sc4 box..so just wanted to know if the y21 is crap or better than the s4c
 
ohh ok thanks, cause ma mate wants to swap me the y21 for my sc4 box..so just wanted to know if the y21 is crap or better than the s4c

The s4c is regarded as more durable than the y21 so i'd stick with what you have unless its giving trouble.
 
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