Old Britts – Intermediate Gears Comparison
Download the complete PDF version using the green download button at the top right of this page for detailed Norton Commando intermediate gear comparison information. This technical article by Fred Eaton compares the differences between pre-MK3 and MK3 Norton Commando intermediate gears using detailed photographs and dimensional measurements.
The guide explains the thickness differences between the MK3 and pre-MK3 gears, highlights the changes in gear face design and confirms that both versions retain the same number of gear and sprocket teeth.
Detailed close-up photographs show the gear side, sprocket side and end view comparisons to help Norton owners correctly identify gearbox intermediate gears during restoration, servicing or gearbox rebuilding work.
This resource provides useful identification guidance when sourcing replacement parts or verifying component compatibility between Norton Commando gearbox assemblies.
Contents Include
- MK3 and pre-MK3 intermediate gear comparisons
- Gear thickness measurements
- Gear face design differences
- Gear side comparison photographs
- Sprocket side comparison photographs
- End view comparison images
- Intermediate gear identification guidance
- Original Norton part number references
- Gearbox compatibility information
Covered Norton Models
- Norton Commando 750
- Norton Commando 850
- Norton Roadster
- Norton Interstate
- Norton Fastback
- Norton Hi-Rider
- Norton MK3
