tag:blogger.com,1999:blog-7352328927235200435.post8466780801677647757..comments2023-12-11T02:24:59.133-06:00Comments on The greasy shop rag: Big TwinScott Seidlhttp://www.blogger.com/profile/17244490864200031268noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-7352328927235200435.post-14704150388098637032016-01-05T06:05:18.649-06:002016-01-05T06:05:18.649-06:00Thanks Jon, I'll look into this.Thanks Jon, I'll look into this.Scott Seidlhttps://www.blogger.com/profile/17244490864200031268noreply@blogger.comtag:blogger.com,1999:blog-7352328927235200435.post-9053095134984153012016-01-05T01:58:32.389-06:002016-01-05T01:58:32.389-06:00Hi: Had a couple of these 650 Lightnings back in ...Hi: Had a couple of these 650 Lightnings back in the day. Pretty fast, but vibrated a lot. Had lower end problems with both of them. Fixed the first one and traded the second away. The problem is apparently a design flaw in the crank bearings / oil feed that starves out the rod bearings. It's explained here (scroll down to bottom to "From bad to worse"):<br /><br />http://www.classic-british-motorcycles.com/bsa-a65.html<br /><br />There's an outfit in Canada that offers a British aftermarket conversion:<br /><br />http://www.britcycle.com/products/BSACrankConversion.htm<br /><br />Good luck with the restoration. Jon<br />BJhttps://www.blogger.com/profile/11616582048497878998noreply@blogger.com