N15: amal carbs tickler

Joined
Nov 10, 2012
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Hi.
Why when i push the kick start the fuel spray out from the holes of the carbs tickler?.
Thanks.
Piero
 
When the fuel level is very high, because of tickling, petrol can be blown out of any of the holes in the carburettor by the piston rising on the compression stroke while the inlet valve is still open.

The inlet valve does not close until about 60 degrees after bottom dead centre, depending on how sporty your camshaft is.
 
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