Author Topic: Swapping adjustable carbs for emission control carbs  (Read 919 times)

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Kelvin8

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Swapping adjustable carbs for emission control carbs
« on: October 10, 2006, 10:06:11 AM »
on my '78 550K. I got a set of 75(?) carbs 100 main 38 primary jets from a friend. Cleaned out the innards and cleaning up the outards. Anything I should be aware of? Bore is the same as the stock carbs, big advantage is these are adjustable. Originals are probably leaking air through/by he felt whatchacallits ... seals ... among other things. Any suggestions for jetting?

Kelvin8

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Re: Swapping adjustable carbs for emission control carbs
« Reply #1 on: October 10, 2006, 10:09:25 AM »
I guess I said that backwards, swapping ec carbs for adjustable ones.

Offline GroovieGhoulie

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Re: Swapping adjustable carbs for emission control carbs
« Reply #2 on: October 10, 2006, 11:30:22 AM »
Should be a straight swap.  Jetting depends on your altitude and such, but factory settings should be fine and as I recall the 550s had 38/100s factory.