Old Britts – Commando Kickstart Arms
Download the complete PDF version using the green download button at the top right of this page for detailed Norton Commando kickstart arm comparisons and MK3 upgrade information. This technical article by Fred Eaton compares the differences between pre-MK3 and MK3 Norton Commando kickstart arms using detailed workshop photographs and measurements.
The guide explains how the MK3 kickstart arm provides additional clearance from the exhaust system while also introducing the spring-loaded detent pedal used on MK3 models. The article includes close-up images showing the pedal detent mechanism, spring and ball bearing arrangement along with practical upgrade guidance for owners wishing to modify earlier kickstart arms.
Detailed comparison photos and measurements help Norton owners identify the differences between kickstart arm types and determine compatibility during restoration or gearbox rebuilding work.
Contents Include
- Pre-MK3 and MK3 kickstart arm comparisons
- Kickstart arm clearance measurements
- MK3 exhaust clearance advantages
- Spring-loaded pedal mechanism explanation
- Detent spring and ball bearing details
- Kickstart pedal upgrade information
- Close-up workshop photographs
- Original Norton part number references
- Kickstart component pricing references
Covered Norton Models
- Norton Commando 750
- Norton Commando 850
- Norton Roadster
- Norton Interstate
- Norton Fastback
- Norton Hi-Rider
- Norton MK3