The stock tooth count often is 50 teeth. Use of this sprocket would increase top speed, decrease torque, and require the chain to be shorten.Common applications include: Baja Blaster BB65 196cc 6.5HP, Baja Dune DN65 196cc 6.5HP, Baja Sand Dog SD65 196cc 6.5HP, Baja Trax TX65 196cc 6.5HP, Baja Warrior, MB165, MB200 (196cc), Powersports CT200u-a, CT200u-c, Trail 200, BT200X, Falcon 200cc, Massimo MB200, Monster Moto (Megamoto) MM 212cc, Puma Yukon Trail 200cc, TrailMaster 196cc