tappet

Hi, Sorry for the probably stupid question, but I am stuck. I just finished putting the engine back together for my 1972 XS2 and while putting the tappet covers back on, I realized the the previous owner didn't screw the studs in all the way. Therefore, when I try to put the acorn nut on, it...

Bike Engine: 1979 650 XS, Stock as far as I know About a month ago my engine started knocking like a jackhammer, I adjusted the cam chain tension and valve clearance and the sound went away. Then I went on a 50 mile ride with a buddy and by the end of it the sound was back. Checked the cam...