This is the complete 60M Carburetor that is used on / the O.S. Max 91SX-H Ring C Spec PS OSMG1982. / / FEATURES: Fully assembled direct fit replacement part / / INCLUDES: One complete carburetor / One O-ring (Key# 11) 14mm ID x 17mm OD / One black caphead screw 2.5x5mm (not available separately) (no key#) / (goes into the end of the needle valve) / / REQUIRES: Installing on the engine / / SPECS: Length: 29.8mm / Width: 94.9mm (including throttle arm and needle valve) / Height: 41.9mm / Diameter: 18.5mm OD of intake (throat) / 15.4mm ID of intake @ widest point (top) / 10.6mm ID of intake @ narrowest point (bottom) / 14.9mm OD of neck (the part that inserts into crankcase) / 12.4mm ID of neck @ widest point (bottom) / 10.6mm ID of neck @ narrowest point (top) / / / tjt 050504 / ir/jxs