11. FUEL SYSTEM STRYKER 125/150 AUTO BYSTARTER INSPECTION Bystarter Valve 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 Screw AIR CUT-OFF VALVE Screws Screws DISASSEMBLY Remove the two screws attaching the throttle cable set plate and the set plate. Throttle Cable Set Plate Air Cut-off Valve Cover 11-6