This Hot Products soft throttle spring is designed to soften the tension on the throttle lever of all Mikuni SBN models. Replacing the genuine stiff spring can give you quicker response from your carburetors without straining your fingers.
Fits:
Mikuni 38mm Super BN Carburetor
Mikuni 44mm Super BN Carburetor
Mikuni 46mm Super BN Carburetor
NOTE: May fit other Mikuni carbs with modification.