what is this pipe for

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therefused
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what is this pipe for

Post by therefused »

hi.

i have a pipe sticking out of the first cylinder inlet below the carb. it has a screw in it at the moment and some oil residue around it.

what is this pipe?
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CMSMJ1
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Re: what is this pipe for

Post by CMSMJ1 »

There are vacuum points on all 4 clyinders. Likely to be one of those.

No1 cylinder is back and left? That one?
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therefused
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Re: what is this pipe for

Post by therefused »

its the front left. should this be blocked?
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CMSMJ1
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Re: what is this pipe for

Post by CMSMJ1 »

yes, should be blocked. It is used for carb balancing, you attach the vacuum gauge to the little pipe - there should be the same on all cylinders and the one from cyl 3 goes to the fuel tank and opens the fuel tap when the motor is running :up:
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The V4 is the law..

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nemesis
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Re: what is this pipe for

Post by nemesis »

If the pipe is there for the vacuum tap , it could of once been a chain oiler pipe

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