Gearbox Assembling Check Lists
Download the complete PDF version using the green download button at the top right of this page for detailed Norton Commando gearbox assembly procedures and workshop check lists.
This detailed Old Britts workshop reference provides a complete step-by-step assembly check list for rebuilding and assembling the Norton Commando gearbox. :contentReference[oaicite:0]{index=0}
The guide follows the correct assembly sequence beginning with gearbox shell preparation, bearing installation and case inspection before progressing through layshaft, mainshaft, selector fork, quadrant, camplate and kickstart assembly procedures.
Important workshop notes are also included covering shim checks, layshaft end play, clutch operating lever positioning, torque settings and MK3-specific gearbox differences.
Contents Include
- Gearbox shell preparation and cleaning
- Bearing installation procedures
- Quadrant and camplate assembly
- Mainshaft and layshaft assembly sequence
- Selector fork installation
- Kickstart shaft and return spring assembly
- Layshaft end play and shim checking
- Inner and outer cover installation
- MK3 gearbox oil seal and bushing procedures
- Torque settings and workshop assembly notes
The numbered assembly sequence makes this a valuable workshop companion when rebuilding Norton Commando gearboxes and checking correct installation order during final assembly.
Covered Norton Models
- Norton Commando 750
- Norton Commando 850
- Norton Commando Mk3
A useful technical reference for Norton restorers, mechanics and gearbox rebuild specialists working on classic Commando transmission assemblies.
