Ground wire ignition and points

The spring is internal. It goes below the threaded portion, over the stepped area. Here's the mix screw on a set of '78-'79 carbs. No spring showing because it's inside the hole, on the stepped portion of the mix screw .....

MixScrew.jpg
 
Hi sid,
well, the photo shows those little bastards got O-rings on them and an O-ring would stop the thing vibrating loose.
However, the script sez the O-rings may or may not fit your carburettor.
WTF, eh?
But, I remember a post asking about little plastic rotation stops on XS650 carb needles?
Perhaps those are what's missing?
 
They are usually in carb rebuild kits with gaskets and all the needles and o-rings
 
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