Skip to main content
English French German Italian Spanish

Tappet wear

Forums

Have read the Top end disaster thread. My -68 650SS camshaft looks good and measures about the same as David mentioned. I've understood that the flat tappets are correct. Tappets a bit worn on the flats.Measured the "ditch" to less than one thou. Tappet sides has some wear marks, so I checked side play to about .004", maybe slightly more. I would like an opinion on if I need to replace them.

Tappet wear

Permalink

As the followers are not badly worn, I would try and get them refaced. Pete Lovell and/or RGM can do it.

Ian

Permalink

As the "ditch" is only a thou this is normal marking. I would give the faces a light fettling with an oil stone and a coat of cam oil  on assembly.  If it ran quietly  I would not worry about the 4thou.

 


Norton Owners Club Website by White-Hot Design