Mine has had that problem since about 1986 when I lubricated it with
silicone spray.  Perhaps a spring broke inside at the same time.  I have
not been able to get the lock apart as the bolts/screws are torqued
really tight.  I know it is not corrosion and have not had luck with
penetrating oil etc.

I have gotten used to this and just reach around inside from the pasenger
door or use the key at the same time as the lever.

Good Luck

George in Superior, Wisconsin
1982 Westy bought new in '82
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