12. CARBURETOR VITALITY 50 Connect the auto bystarter yellow wire to the battery positive (+) terminal and green/ black wire to the battery negative (-) terminal and wait 5 minutes. Connect a hose to the fuel enriching circuit and blow the hose with mouth. If air can be blown into the hose, the auto bystarter is faulty and replace it with a new one. Auto Bystarter AUTO BYSTARTER REMOVAL Remove the auto bystarter cover. Remove the two auto bystarter set plate screws to remove the auto bystarter. Screws Set Plate Check the auto bystarter valve and needle O-ring for wear or damage. Check the O-ring for wear or damage. Bystarter Valve Bystarter Needle 12-9