5. FUEL SYSTEM AGILITY 50 Vacuum Pump Connect a hose to the fuel enriching circuit of the carburetor. Connect the auto bystarter yellow wire to the positive (+) terminal of a battery and green wire to the negative (-) terminal. Wait 5 minutes and blow the hose with mouth or vacuum pump. If the passage is blocked, the auto bystarter is normal. Disconnect the auto bystarter from the battery. Wait 30 minutes and blow the hose with mouth or vacuum pump. If air can be Adopter blown into the hose, the auto bystarter is normal. Auto Bystarter REMOVAL Remove the set plate screws and set plate. Remove the auto bystarter from the carburetor. Set Plate Screws Bystarter Valve AUTO BYSTARTER INSPECTION Check the auto bystarter valve and needle for nicks, wear or damage. If any faulty part is found, replace the auto bystarter as a set. Bystarter Needle INSTALLATION Auto Bystarter Insert the auto bystarter into the carburetor body until it bottoms. Position the set plate into the groove in the auto bystarter and tighten the screws. · Be sure to install the auto bystarter and set plate properly. · Install the set plate with its bottom face facing down. Set Plate Screws 5-5