Author Topic: Racer Resurrection  (Read 69883 times)

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Offline bsracer

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Re: Racer Resurrection
« Reply #260 on: September 11, 2019, 12:04:13 PM »
I looked at my carb settings. I guess I tried some different things and didn't record them. I have the following:

4f15 needle
25 pilot
190 main
24/1 fuel mixture.

I had the clip in the bottom position and the mixture screw was farther out than I can remember. It was running rich last time out but I had also just reamed out a set of needle jets. My carbs are different than yours with a mix of jets from a few different carbs. I run 2.0 fuel valves as a replacement to the 1.5 stock ones that come in the carbs. I also swapped the float bowls with the external main jet type to some from a more modern 65cc mx bike with the large bottom hex screw access. I use the needle jets from these as well because they have the plastic shield around the main to keep down frothing. These carbs also have the neoprene black floats instead of the brass ones in the SR carbs. I've rattled more than a few of those apart.

paul

p.s. we'll see how it goes at Barber

 


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