The pin should be on the taper and the shoulder when pulled up tight...The specified gap before tightening produces more or less the correct fit when the pin is pulled in...

A problem I have come across is when the radius in front of the shoulder (at the 'top' of the taper) is too large compared to an original pin..That stops the pin going in far enough initially...I opened up the chamfer in the flywheel a little to remove the 'pinch point'.....Worth a look!....Ian

email (option): ian@wright52.plus.com

Thanks Ian,

I did notice that the new pin has a larger radius than the old ones,it doesn't seem to be stopping the taper going in but I'll have another look tomorrow to double check.

Pete

email (option): petercomley@web.de

Radius match between wheels and new pins seems a common problem. Fought this when truing a Panther crankshaft until it became clear what the issue was.

(Yes, and there’s some excessive wear on the cheeks, but that’s another story)

email (option): teladelujo@msn.com