Motorcycle Gearing Worksheet ('05 Husqvarna SM510R)
	Values (Enter)	Total Ratio	Minimum Speed	Maximum Speed	Speed at Max Power	Change Down Speed	Change Up Speed	Speed Range	RPM Drop at Change Up	% RPM Drop at Change Up
Primary Drive Ratio	3.047		(KPH)	(KPH)	(KPH)	(KPH)	(KPH)	(KPH)	(RPM)	(% RPM)
1st Gear Ratio	2.000	17.063	0	73	58	N/A	58	58	0	0.0
2nd Gear Ratio	1.611	13.744	17	91	72	34	72	39	1673	19.5
3rd Gear Ratio	1.333	11.373	20	110	87	41	87	47	1484	17.3
4th Gear Ratio	1.086	9.265	25	134	107	50	107	57	1594	18.5
5th Gear Ratio	0.920	7.849	29	159	126	59	126	68	1315	15.3
6th Gear Ratio	0.814	6.945	33	179	143	66	N/A	76	991	11.5
Front Sprocket (Teeth)	15	2.800
Rear Sprocket (Teeth)	42
Wheel Rim Size (Inches)	17
Tyre Width (MM)	150	Gear	(MPH)	(MPH)	(MPH)	(MPH)	(MPH)	(MPH)	(RPM)	(% RPM)
Tyre Depth (%)	60	1st Gear	0	46	36	N/A	36	36	0	0.0
Engine Minimum RPM	2,000	2nd Gear	10	57	45	21	45	24	1673	19.5
Engine Maximum RPM	10,800	3rd Gear	13	68	55	25	55	29	1484	17.3
Change Down RPM	4,000	4th Gear	16	84	67	31	67	36	1594	18.5
Change Up RPM	8,600	5th Gear	18	99	79	37	79	42	1315	15.3
Maximum Power RPM	8,600	6th Gear	21	112	89	42	N/A	48	991	11.5
All figures in the Pink column from the owners handbook.