Sprint lo206 jrThere are several jr classes . The correct one could be helpful .
Of hand white and yellow seems better suited , with out proper info its a guess .
Yellow slide and flame clutchWhich model of clutch and what color slide?
Thank you2 black, 2 yellow, no weight leading shoes. If you want to keep the weight 2 black and 2 white. If this is a sprint track with a tight corner(s) use the black and white remove the weight. We don't use weights very often.