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Post by eean on Jul 29, 2016 20:15:18 GMT
A mate has asked me to set fuel up on above kitted large frame
It's got a 30 dellorto phbl with 266 main jet, 55 idle,40 slide,X2 needle, its been ported etc and has a miceck expansion
Anyone got any ideas on the carb set up now, what should I change etc?
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Post by henri on Jul 30, 2016 11:13:45 GMT
have a look on german scooter forum, large frame set-ups page , should get some ball park figures there . what manifold is carb on ,as some sit high an with a 30mm carb your getting into fuel pump territory .other wise with low height/head of fuel soon as its down to reserve levels it will lean out with fuel starvation . an with a 266? main an 30mm it wont take long to get onto reserve from full tank .
just had a quick gaze at kraut site , most of the dell 30mm's are in the 130-145 range , only ones in 200's are mikuni's , but dell number by size ,mikuni by flow-rate , so wondering what your 266 is . the rest sounds bout rightish to me ,but mains out the ball park . H
just realised it might be webers who number by flow rate not mikuni's , but still think 266 is odd . soz my memorys crap. H
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Post by spot66 on Aug 2, 2016 17:44:05 GMT
That's the atomiser number isn't it. AV 266 which is about right for mal 210 if memory serves me well.
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Post by eean on Aug 2, 2016 18:06:58 GMT
Cheers lads for the advise, yes he got the atomiser number mixed up thinking it was main jet, I did query that thinking the same, it has a 130 main which will need to be bigger, I have a 140 biggest size so going to try that and go from there, thanks again chaps
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Post by eean on Aug 2, 2016 18:08:39 GMT
H fuel starvation not an issue with this he has an old BSA centre motorcycle style tank on it, it really suits it too 😎
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