Sounds great, But the only thing that gots me wondering is if the signals would be interupted by the CDI module just like most wireless speedos do.
Nope, works just fine, at least with my 4 stroke Hua Cheng running. May be different with a HT?
I'll let you know how it works out in the wet as it rains alot here also.
That SIR light is a joke for $99. It is nothing more than some LED's in a plastic housing, about $10 worth of parts tops. This is a better deal for $10 more:
http://www.rockthebike.com/lights/downlowglow Although you can make your own with some cold cathode tubes and some ingenuity for way less.