
Drifts used in building a Commando
by Fred Eaton
Last updated 10/31/05
This list is not complete and will grow as I build this Commando.

First Step | Second Step | Wheels | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0001 | 0.662" | 4.750" | 1.500" | 1.200" | To install wheel bearings (04-0100 & 06-7688). See Wheel Bearing Upgrade Instructions for a picture and description of use. |
CD-0002 | 0.555" | 0.200" | 0.680" | 1.625" | To remove and install front brake drum expander bushings (06-7750). To remove the rear hub bearing spacers (06-2069 and 06-7701). See Wheel Bearing Upgrade Instructions for a picture and description of use. |
CD-0003 | 0.370" | 0.070" | 0.750" | 1.000" | To rivet the front drum brake short pivot pin (063273). See Drum Brake Performance Kit for a picture and description of use. This drift's first step is .370" for about .010" and then tapers out to .480". |
CD-0004 | 0.660" | 0.950" | 0.750" | 0.800" | To install front drum brake spindle bushing. See Commando Front Drum Upgrade Information for a picture of this bushing. |
CD-0005 | 0.650" | 0.250" | 0.750" | 1.750" | To remove the drive side bearing, MK3 rear hub, by pressing out the bearing spacer from the disc side. |
CD-0006 | 0.660" | 0.450" | 2.845" | 0.850" | To install the disc side bearing (06-5541), MK3 rear hub. |
First Step | Second Step | Frame | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0011 | 0.975" | 0.425" | 2.000" | 0.800" | To install the steering head bearings (06-7604). |
First Step | Second Step | Gearbox | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0001 | 0.662" | 4.750" | 1.500" | 1.200" | To install the layshaft bearing (06-7710 & 04-0100) in the gearbox shell. |
CD-0021 | 1.720" | 0.125" | 2.070" | 1.000" | To install the mainshaft oil seal (04-0132) in the gearbox shell. |
CD-0022 | 1.240" | 0.500" | 2.430" | 1.500" | To install the sleeve gear bearing (04-0098) in the gearbox shell. |
CD-0023 | 0.600" | 0.350" | 1.500" | 1.500" | To install the right hand mainshaft bearing (04-0099) in the gearbox inner case. |
CD-0024 | 0.683" | 0.850" | 0.750" | 1.000" | To remove and install the 1st gear layshaft bushing (04-0046) in the layshaft 1st gear. |
CD-0025 | 1.000" | 0.125" | 1.400" | 1.000" | To install the kickstart shaft oil seal (06-6145) in the MK3 gearbox outer cover. |
CD-0026 | 0.550" | 0.350" | 0.605" | 1.000" | To install the gearshift outer bushing (06-5184) in the MK3 gearbox outer cover. |
CD-0027 | 0.810" | 0.600" | 0.900" | 2.700" | To remove and install the sleeve gear bushings (04-0062). |
First Step | Second Step | Engine | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0041 | 0.846" | 8.250" | 1.000" | 1.600" | To remove and install camshaft bushings (06-2600, 06-3020, 06-5425 & 065428). |
First Step | Second Step | Primary Cases | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0051 | 0.680" | 0.950" | 0.775" | 1.000" | To remove and install the MK3 outer primary shift shaft bushing (06-6189). |
First Step | Second Step | Carburetors | |||
Drift No. | Diameter | Length | Diameter | Length | Drift Use |
CD-0061 | 0.245" | 0.250" | 0.300" | 0.250" | Third step (Dia= 0.330, Len= 3.750). Used to remove and install the spray tube in an Amal Carburetor. |
This page was written and designed by F. H. Eaton & Associates if you have any questions or comments please contact us at info@fheaton.com