OEM Stock Gearing

Make	Model	Year	Front	Rear
Honda	CRF250R	11-17	13	49
		18-21	13	48
		22-23	13	50
	CRF450R	09-16	13	48
		17-23	13	49
Yamaha	YZ250F	09-11	13	49
		12-23	13	50
	YZ450F	10-18	13	48
		19-23	13	49
Kawasaki	KX250F	11-23	13	50
	KX450F	10-23	13	50
Suzuki	RMZ250	10-23	13	49
	RMZ450	10-23	13	50
KTM	250SX-F	13-15	13	48
		16-18	14	51
		19	14	52
		20-22	14	51
		23-24	15	52
	450SX-F	14-15	14	52
		16-19	13	48
		20-22	13	49
		23-24	15	52

 

*For reference only, please consult owner's manual for exact fitment*