Honda CBR XX Forum banner

throttle bodies

  1. Engine / Airbox / Exhaust / Fuel Delivery
    You see I come from a background of cars not bikes so please forgive the barrage of stupid questions. What is this device as shown in the pic? It is located basically on the fuel rail in between the throttle bodies for cyls number 1 & 2. They are coolant lines leading to and from it and what...