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Hey folks,

I'm running a 550F engine because I'm old school like that, something I can fix with my hands unlike an Etec! which don't get me wrong are pretty sweet. But I'm curious who's changed the jetting in their carbs for the colder months. Over here it's not uncommon to be -35 and colder sometimes -45. I haven't noticed any issues until -40 and even then they are minor. Throttle response it a little slower but overall running good -15 to -43 from personal experience.
 

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No, but I also live up here and run a 550f. A buddy asked around up here and no one he talked to has. However, just because they haven't been doing it, doesn't mean it isn't a good idea...
 
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