Well it's ok, not the original HRC info. Should have checked before I posted. There is no mention of the two styles of copper washers. One is regular, one had two small tabs on it, like to index on something? Not sure what the diff is or if it matters?
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Andre E. Benguerel
1996 Honda NSR250R
Daijiro Kato/Fortuna Replica #74

2000 Honda RS250R (NX5)
2008 Honda RS250R (NXA)
AFM Expert #430