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Old 03-20-2007, 08:21 PM   #90
Heavyweight Boxer
opposedcyljunkie's Avatar
Joined: Feb 2007
Location: By the Lake
Oddometer: 4,776
Originally Posted by Beemerboff
Back to the carb question - are the springs above the slides still fitted ?
Not all bikes had them ,so someone may have left them off, but they help to richen the mixture in transition.

And do you have the correct needles - I spent a lot of time on the carb on my BSA B44 VS before discovering that I had been supplied with the wrong needle - the symptoms were the same as yours and the correct needle fixed things instantly .

Dont know how to check the bing ones though

i pressume your questions are for me.

yes, the springs are there. my needles are the correct, original ones but i noticed some pitting on the upper area. could be affecting fuel flow? anyway, new needles are on their way.

as for the lean running, i will check furhter for air leaks this weekend. air leaks can only come from a few areas...
92 R100GS-PD Euro
01 Vespa PX150E - sold
05 Yamaha Fazer FZS-1000
07 R1200GS
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