Detailed Description - Norton Commando Tappets
Download the complete PDF version using the green download button at the top right of this page for detailed Norton Commando tappet specifications and installation information. This useful Old Britts technical reference covers Norton Commando tappet removal, fitting procedures, matched pair identification and important lubrication requirements during engine assembly.
The guide explains the correct orientation of the tappets, separating plates and retaining screws together with important workshop notes regarding oil drainage, lubrication and safety wire installation.
Detailed dimensional specifications are also included covering standard tappet sizes, +.020 oversize tappets and correct clearance measurements between the tappets and cylinder bore.
Contents Include
- Matched pair tappet identification
- Tappet removal procedures
- Separating plate installation information
- Safety wire installation notes
- Correct tappet orientation details
- Lubrication and oil drainage information
- Standard tappet dimensional specifications
- +.020 oversize tappet specifications
- Cylinder bore clearance measurements
- Old Britts Norton engine workshop information
Covered Norton Models
- Norton Commando 750
- Norton Commando 850