This rear sprocket is used on the Chinese 50cc-125cc engines.  This sprocket has 43T and is compatible with the 420 chain ONLY.  

Sprocket details:

• #420 chain sprocket
• 43 teeth
• 48mm (1.89 in) center hole
• 8.5mm (0.34 in) bolt holes
• Distance between bolt holes: 48mm (1.89 in) center-to-center side-by-side
• Distance between bolt holes: 68mm (2.68 in) center-to-center across
• Outside diameter: 178mm (7.0 in)
• TT-130589

• Be sure to measure your chain or current sprocket before ordering.  420 chain has 1 2 inch pitch and 5 16 inch roller diameter.

  Fits Coleman GK200 go-kart.

  Fits Tao Tao Baja Sprinter go-kart.

  Shipping details:

  Do you need your rear sprocket fast?  If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.   Buy now!