Quote:
Originally Posted by 700C-ist
Hello,
I was reading threads about mixture screws and their caps removal. The 2010 blue R responses well to throttle other than when cold, but emissions are of the sort that would give you headtakes in no time (no smokes though, just the smell of heavily polluted, ill-burned gas).
So in other words, I need to depollute the carburation. Is it safe to say that there's nothing to tune in regards to the electronic ignition? Sealed black box? Leaving me with only the carburators to tune, most likely leaning it?
Thank you!
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That would suggest it's not tuned properly.
It's already lean from the factory, sometimes enough that it doesn't run right. Tuning it to idle and accelerate properly isn't going to create any more pollution.
Newer cycles have catalytic converters in the exhaust to clean them up, but I doubt a good-running 250 is doing much polluting - especially if you ride it in a way to maximize mileage.