Left Hand Black sprockets are being used on Turbocharged Yamaha Road Star Warriors, making over 120 horsepower. This is not a chaing conversion kit, just the fron sprockets.
This is the easiest and
most cost effective way to get better gearing. Here is the total cost breakdown:
Front
Sprockets: $75
Rear Sprockets: $60 (aftermarket Harley Davidson)
O-ring Chain: $125
TOTAL: $260
If you would like lower
gearing and want a 30 tooth front pulley with a belt, you are looking at:
Pulley: $200
Belt: $180
TOTAL: $380
(Any Harley Davidson rear sprocket can be used
with the factory real wheel. Harley Davidson and Yamaha use the same bolt
pattern.)
Gearing Options:
Examples
of gear ratios using various pulley sizes. Use the gear ratio to determine
the number of teeth on sprockets.
34 - 2.05
33 - 2.12
32 - 2.18
31 - 2.26
29 - 2.33
Sprockets (48/22 - 2.18 stock equivelent)
Rear/Front = Pulley size equivalent
51/21 - 2.43 =29 tooth
51/22 - 2.32 = 30 tooth
48/21 - 2.25 = 31 tooth
51/24 - 2.12 = 33 tooth
48/23 - 2.08 = 34 tooth
