Li125 series 1,2 and early series 3 gearbox info

all of these gearboxes use the primary drive ratio of 15/46

gear  no.	group  teeth	loose  gear	overall  ratio
1	9	51	17.40
2	12	42	10.71
3	16	39	7.47
4	19	35	5.65

Li150 series 1, 2 and 3 gearbox info

all of these gearboxes use the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	11	50	13.95
2	14	41	9.00
3	17	37	6.67
4	20	34	5.22

series 2 Li150 rallymaster gearbox info

this gearbox uses the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	13	47	11.09
2	15	39	7.97
3	19	36	5.81
4	22	32	4.46

TV175 series 2 and 3, SX200 gearbox info

these gearboxes use the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	12	49	12.52
2	14	40	8.76
3	18	37	6.30
4	21	33	4.82

Li150 special, Pacemaker and late series 3 gearbox info

all of these gearboxes use the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	11	50	13.95
2	13	41	9.67
3	17	39	7.04
4	19	35	5.65

GP125 and Li125 special gearbox info

this gearbox uses the primary drive ratio of 15/46. The loose gears and group teeth are the same as GP200

gear  no.	group  teeth	loose  gear	overall  ratio
1	10	50	15.33
2	12	42	10.71
3	15	39	7.97
4	18	36	6.32

SX150 and GP150 gearbox info

these gearboxes use the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	10	50	15.33
2	12	42	10.71
3	15	39	7.97
4	19	35	5.65

TV/GT200 gearbox info

This gearboxes uses the primary drive ratio of 15/46.

gear  no.	group  teeth	loose  gear	overall  ratio
1	13	47	11.09
2	15	39	7.97
3	19	36	5.81
4	22	32	4.46

GP200 gearbox info

This gearbox uses the primary drive ratio of 18/47. The loose gears and group teeth are the same as GP125

gear  no.	group  teeth	loose  gear	overall  ratio
1	10	50	13.05
2	12	42	9.13
3	15	39	6.79
4	18	36	5.22

 

Note that also some special aftermarket parts exist like the Imola 5 speed gearbox.