Line No.	Description	Check
1	Bead Blast the inner case and the gearbox shell.	.
2	Polish the outer cover.	.
3	Thoroughly clean the gearbox shell, inside and outside.	.
4	Install the quadrant and cam bushings if required (04-0056).	.
5	Install the layshaft bearing (06-7710) in the gearbox shell.	.
6	Install the sleeve gear bearing (04-0098/S) in the gearbox shell.	.
7	Tape off the gearbox shell and paint.	.
8	For pre-MK3 gearboxes, upgrade the breather on the inner case (see Eliminating oil leaks due to pressure build up in the Commando gearbox).	.
9	Thoroughly clean the inner case, inside and outside.	.
10	Install the mainshaft bearing (04-0099) in the inner case.	.
11	For MK3 gearboxes, install the gearshaft bushing (06-5184, if required) and the Oil seal (06-5183) in the inner case.	.
12	Tape off the inner case and paint.	.
13	Install the sleeve gear oil seal (04-0132) in the gearbox shell.	.
14	Install the Plunger (04-0034), spring (04-0044) and bolt (04-0036) in the gearbox shell.	.
15	Install the quadrant (04-0109 pre-MK3, 06-5148 MK3) in the gearbox shell.	.
16	For pre-MK3 install the quadrant O-Ring (04-0129), bolt (04-0136) and washer (00-0174). For MK3 install the quadrant O-ring (04-0129), washer (06-5149) and circlip (01-9512).	.
17	Install camplate (04-0108 pre-MK3, 06-5504 MK3) in the gearbox shell.	.
18	Install the camplate O-Ring (04-0129), bolt (04-0136) and washer (00-0174).	.
19	Check fit of camplate and add shim if required.	.
20	Install the sleeve gear (06-1057 or 06-5954).	.
21	Fit the 3rd gear lay (04-0634) and bushing (04-0047) on the layshaft (04-0025 or 06-6666).	.
22	Fit the 4th gear lay (06-1058) on the layshaft.	.
23	Fit the inner race (layshaft bearing (06-7710)) on the layshaft.	.
24	Insert the layshaft into the layshaft bearing in the gearbox shell.	.
25	Insert the mainshaft (06-0384) into the sleeve gear.	.
26	Fit 3rd gear main (04-0635) and its selector fork (04-0022) onto the main shaft.	.
27	Fit 2nd gear main (04-0418 or 06-4640) and its bushing (04-0048) on the main shaft.	.
28	Fit 2nd gear lay (04-0019 or 06-4639) and its selector fork (04-0022) on the layshaft.	.
29	Thread the selector fork spindle (04-0035) through both selector forks and screw into the shell.	.
30	Fit 1st gear lay (04-0115) to the layshaft.	.
31	Fit 1st gear main (04-0026) on the mainshaft.	.
32	Assemble the kickstart shaft (04-04770 or 06-6169).	.
33	Place the kickstart shaft into the inner case.	.
34	Dry fit the inner cover and check the layshaft end play.	.
35	Add any shims if required and check end play again.	.
36	Grease the quadrant and place the knuckle pin roller (04-0078 pre-MK3 or 06-5150 MK3) in the quadrant.	.
37	Install the inner cover to the gearbox shell using the gasket (04-0030).	.
38	Install the mainshaft nut (04-0023) on to the mainshaft.	.
39	Install the clutch operating lever body and all related parts on the inner case, making sure the clutch operating ball (04-0031) is inside the body (04-0059).	.
40	Install the kickstart return spring (04-0475)	.
41	Thoroughly clean the outer cover.	.
42	For MK3 gearboxes, install the gearshaft bush (06-5184).	.
43	For Mk3 gearboxes, install the kickstart shaft oil seal (06-6145).	.
44	For pre-MK3 gearboxes, install the shift shaft o-ring (04-0006) and the kickstart o-ring (04-0005).	.
45	Install the ratchet assembly in the outer cover.	.
46	Install the outer cover.	.