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My F has a 4/1 and pods, and I'm three sizes up on the mains, and one size up on the pilots from stock. I'm around 400-500' above sea level. Runs like Hilary Clinton in a crowd of reporters.
I think I have a loose screw behind the handlebars.
Ditto on DB's specs, 117.5 mains and 45 pilots, also at sea level on the East coast Virginia...runs great, nice color plugs....also Pods and 4-1 Pipes. I also have the little big bore 1179 kit, and DynaTek 30+ KV coils, and run high test/premium because of the big bore kit.
T.C.
T. C. Gresham
81SH "Godzilla" . . .1179cc super-rat.
79SF "The Teacher" . . .basket case! History shows again and again,
How nature points out the folly of men!
This thread will die by all the incorrect info that will come up soon. Every one will want to chime in and already some are later carbs and some earlier carb models. I think I have 145's and 42.5's in one of my bikes.
2-79 XS1100 SF 2-78 XS1100 E Best bike Ever 80 XS 1100 SG Big bore kit but not fully running yet.
Couple of more parts bikes of which 2 more will live!
This thread will die by all the incorrect info that will come up soon. Every one will want to chime in and already some are later carbs and some earlier carb models. I think I have 145's and 42.5's in one of my bikes.
Such negativity Doug.......
Depends mostly on exhaust and intake options. And year of course.
Trial and error.
Greg
Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
― Albert Einstein
80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.
Joe, three sizes up on mains, and one up on the pilots should get you VERY close. Just remember, use ONLY MIKUNI JETS!!! ANYTHING else WILL give you problems, as they are NOT really the same size. DAMHIKIJK
Ray Matteis
KE6NHG
XS1100 E '78 (winter project)
XS1100 SF Bob Jones worked on it!
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