Petrol leak... What is this part anyway!

[Andy Rider]

My son's Lemoto Tornado scooter has a petrol leak it's leaking on the hole in the part in the photo. But i have no idea what this is? Some sort of pressure release I guess?! As it doesn't seem to do anything as one pipe going into it and that is all. It is at the lowest point possible on the engine.

https://goo.gl/photos/p3otuAFHRNbxX7Uu7

[stinkwheel]

Perhaps it's just there to anchor an overspill hose in a specific place (so if it does overspill, it doesn't do it onto a hot exhaust, for example).

Find what the other end of the hose is attached to and I suspect you will be closer to your answer.
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I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[WD Forte]

Pic link dont work for me

I'll guess it's the carb drain valve
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bikers smell of wee