I just wanted to post a thanks to the forum and to Marty whose generosity and experience was shared this past Saturday.
Marty has some awesome bikes and he is a wealth of information.
My KLR, which appears to be going to a new female rider, has 3291 miles on it and while the Doohickey was not broken, the spring was. And judging by engine noise, I think it was broken when I bought the bike at 2600 miles, so to those folks with 06 and 07 low-mile bikes, who think "it won't happen to me", GET THIS DONE. And to those with higher-mileage KLR's running OEM doohickys, you are ka-ray-zee not to change it out.
The OEM parts really are weak when compared the the retrofit parts from Arrowhead. The KLR now sounds like a Swiss sewing machine and I would take that bike to Argentina in a heartbeat now.