Front Sprocket 428-17 Tooth for 200cc 250cc Engine

Chinese ATV Front Sprocket - 428-17T 200cc 250cc This front sprocket is used on the Chinese 200cc and 250cc engines.  This sprocket has 17T and is compatible with the 428 chain ONLY.   Sprocket details: #428 chain  17 tooth OD: 72.7mm (2.86 in) ID: 20.1mm (0.79 in) valley to valley ID: 17.6mm (0.69 in) tooth to tooth (2) 6mm threaded holes 34mm (1.3 in) apart center-to-center Uses retainer with bolts (not included) Be sure to measure your chain or current sprocket before ordering.  428 chain has 1/2 inch pitch and 0.335 inch roller diameter.  Most Chinese sprockets have the chain size and teeth count stamped into the metal.