You should only be required to adjust the setting when confronted with large weather changes or altitude swings of over ft. Once set the pilot jet is not terribly sensitive. With proper air screw adjustment and a close initial setting from your engine tuner, fine-tuning should be painless. Clean the system thoroughly with contact cleaner and blow out with compressed air. If the engine idles at its highest RPM at over 2 turns out, this means the pilot setting is on the Rich side and a smaller pilot jet should be installed. If the engine idles at its highest RPM from turns out this means the pilot setting is on the Lean side and a larger pilot jet should be installed. ![]() The preferred setting window is between 1 and 2 turns. Continue backing the airscrew out until the engine idles at its highest RPM. The ideal procedure for setting the screw in the correct position is to warm up your scooter engine to the proper operating temperature. The airscrew is adjusted in a rather straightforward manner. Proper adjustment of the airscrew can offer direct feedback on the necessary setting required for the pilot jet. ![]() The airscrew is a fine-tuning adjustment designed to allow the carburetor to be slightly adjusted for variances in atmospheric conditions. The air screw is a small 5mm in diameter slotted brass adjustment screw located on the inlet side air filter side of the carburetor.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |