Reset adaptive fuel trims and idle offset while the bike is running

Can also be used in custom applications where the Fat Bob rear fender is used

Fixed hood with adjustment drawcord and button fixation

Installs with 2 threaded universal mounting holes on the backside

a bax main jet for keihin cv carburetors Size:165 Reset adaptive fuel trims andA Bax Main Jet for Keihin CV Carburetors Replacement jets for Keihin Constant Vacuum carburetors. Features: Sold each Designed for Keihin CV carburetors Fits: 19882006 XL Sportster 19901999 Evolution Big Twin 19992006 Twin Cam Replaces OEM: 27154 89 27152 89 27116 88 27115 88 27090 89 27114 88 27185 90 27243 95 27105 88