Charge forming device with tamper resistant adjustable valve

A carburetor, comprising:

• a body having a needle valve passage and a cavity open to the needle valve passage;
• an adjustable valve having a head received in the cavity and a shank at least partly received in the needle valve passage;
• a cover plate that is secured to the carburetor body over at least part of the cavity and which has a valve access hole therethrough;
• and
• a disk received within the cavity between the body and the cover plate, the disk has an opening therethrough and the disk is rotatable between an open position and a closed position, the disk has a latch that engages at least one of the cover plate and the body in the closed position to inhibit or prevent rotation of the disk relative to the cover plate, and the latch is moveable relative to the cover plate to permit rotation of the disk from the closed position to the open position, wherein the opening and the valve access hole are at least partly aligned when the disk is in the open position permitting access to the adjustable valve through the valve access hole and opening, and wherein the opening and valve access hole are not aligned when the disk is in the closed position to inhibit or prevent access to the adjustable valve through the cover plate and disk.