Bucci YX140/160 Racing Gearbox
 
To Fit - YX140/160 Engines
 
4 Speed Uprated gearbox designed for SM racing with a less aggressive 1st & 2 ratio gears. This in result should allow for a more controlled race start and the use of 2nd gear through slower hairpins.
 
The gearbox is CNC manufactured with high quality metal and gear cutting including larger dog gears.
 
Manufactured In Italy 
 
BUCCI RATIO:
1ST = 32/14 = 2.28
2ND = 29/17 = 1.70
3RD = 23/17 = 1.35
4TH = 21/20 = 1.05
 
STANDARD RATIO:
1ST = 36/11 = 3.27
2ND = 31/16 = 1.93
3RD = 23/17 = 1.35
4TH = 21/20 = 1.05
 
Item Contains:
 1x Bucci YX140/160 Racing Gearbox