OEM Numbers: Yamaha 4kg-14451-00

Adjustable straps

• model-specific bracket

the boot is durable and strong

RJWC POWERSPORTS EFI TUNNER VILLAIN -ZFORC 37101040 bmw-r-65--0353--650-1980-esi3233634 OEM Numbers: Yamaha 4kg-14451-00Tuner with cable, EFI tuner is recommended for use with any of our exhaust systems to ensure the correct air to fuel mixture. Running a machine with a lean mixture can cause severe engine damage, and that's why it`s always recommended to use our fuel tuner to ensure proper engine operation., A proper air to fuel mixture is essential for the best performance and efficiency of your machine, and our fuel tuner ensures just that., In cases where your