The anti-kickback inhibits spark at less than 200rpm. That is, at less than 200rpm there is no spark produced - no spark, no kickback. About four years back we sorta figured out that the threshold on the Gen 2 was ~200rpm and that defeating the anti-kickback was what that wire did on the Gen 2. Now, if the wire inhibits that function when it is energized, then it is allowing spark at less than 200rpm.Tom, if that wire inhibits the anti kickback at low RPM, that very likely explains why Vern can’t kickstart it. I doubt even the most vigorous kicker can get the engine turning at 200RPM.
The case here is the similar wire on the Gen 1 that was added to the A4 and up. It does something, we just don't know for certain what it does. It has been put forth, without explanation, documentation, or proof, that it retards the spark. It has been put forth that it is also used to defeat an anti-kickback feature. This is kinda-sorta questionable since a fair number of Gen 1 KLRs have had kick-starters added with no trouble related to an anti-kickback feature. It may be, however, that the anti-kickback occurs at a higher rpm on the Gen 1. I never did any testing of the wire's function on the Gen 1.