It maybe just the stuff they put on new bikes burning off, think they coat them with something when the put them in the crate.
Other smell you can get on a wet day, when water and road crap is thrown off the front wheel into the radiator-that will steam and smell when you stop.
Many of us have put on some type of fender extender to keep radiator clean. You can buy them or make one up from some hard rubber, tile etc.
If its not using oil and site gauge is staying the same, wouldn't worry about it.
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