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Carb #2

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Lynx:
I think I've finally found the problem with my bike not running on pot 2 at idle. I've purchased an ultrasonic bath for a fourth attempt at clearing this issue which did get some crud out. However on a final blow through with carb cleaner before assembling, I discovered this hole on the carb (see pic attached). It runs straight through to the pilot system. I've checked carb #3 and this one is blanked off. I guessing when I've blown it through with compressed air I've dislodged something I shouldn't have :-\.

Can anyone confirm this should be blanked off before I fill it in.

Lynx:
Oh! It looks like the picture is not going to work. It's a moulded in passage on ther main carb body, near the bottom edge. It's at the front of the carb pointing forwards from the middle of the carb at an angle of about 60°, on the opposite side to the pilot air screw. Diameter about 4mm.

PatM:
totally confused!- can you PM me the picture as Ive a few sets of carbs off the bike- patrickjmorgan@btinternet.com and Ill have a look for you.

Lynx:
Hi Pat,

Thanks for the offer. I couldn't attach it to a PM. So I've posted it here:-




Cheers
Steve

PatM:
From what I can see- its an orifice on the opposite side of the air-stub from the pilot-jet adjuster- if so, YES its supposed to be blocked. A dab of mastic or a more permanent solution would be some metal-glue- the stuff that you knead with you hands that looks like a stick of dynamite will fill it!

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