11. FUEL SYSTEM STRYKER 125/150 Remove the main jet, needle jet holder, Needle Jet Slow Jet needle jet, slow jet and pilot screw. · Be careful not to damage the fuel jets and pilot screw. · Before removing, turn the pilot screw in and carefully count the number of turns until it seats lightly and then make a note of this. · Do not force the pilot screw against its seat to avoid seat damage. Pilot Screw Needle Jet Holder Main Jet Clean the removed fuel jets with detergent oil and blow them open with compressed air. Blow compressed air through all passages of the carburetor body. INSPECTION Valve Seat Inspect the float valve and valve seat for damage or clogging. Inspect the float valve and valve seat contact area for stepped wear or contamination. Worn or contaminated float valve and valve seat must be replaced because it will result in float level too high due to incomplete airtightness. 11-10