MOOSE RACING Rear Aluminum Sprocket - 38 Tooth - Yamaha 1857-38AL Preston Petty MX Front Fender FTEcu Yamaha Active Tune AFR

FTEcu Yamaha Active Tune AFR Self Tuning ECU Kit

Select from 48mm

This kit has 12 Position adjustable

POLISPORT Fender - Front - Orange - SX 65 8572200001

Unfortunately by doing this the A/F ratio is thrown off by the extra "fresh air" in the exhaust stream

MOOSE RACING Rear Aluminum Sprocket - 38 Tooth - Yamaha 1857-38AL Preston Petty MX Front Fender FTEcu Yamaha Active Tune AFRComputer designed to meet your ATV needs CNC machined, not stamped like so many other sprockets Sprockets are constructed from 7075 T651 aluminum and hard anodized black for superb strength and light weight Moose's non grooved design means more aluminum stays in contact with the chain for longer sprocket life