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Old 14th January 2007, 00:06   #1
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Default How does one find a vaccum leak in a carburettor?

Hi Everyone,

I have a carb'ed m800, and I suspect the carburettor has got a vaccum leak somewhere which is making the mixture lean and the engine knock when revved. It makes the idling kind of rough and the car jerks when the accelerator is released.
I did inspect the pipes that are connected to the carburettor but coudnt find any that was obviously looking cut/broken.
How do i check and find out where the carburettor is leaking ?

Thanks in Advance,

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Old 14th January 2007, 00:54   #2
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Vaccum leak could be anywhere in the fuel system, not just the carb. I suggest you take it to a good mechanic and they can try to find it.
The easiest way is to use Smoke machine, but I doubt its done in India.
Some sites to help your out:
Engine Vacuum Leaks
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