Choke removal

montelatici said:

If you are happy, that's all that matters. But even in India tuners know that if a bike starts unchoked when cold, it will be running rich when it warms up.

http://www.nandanmotors.com/start2.html


"What it does is open a valve letting a lot more fuel get drawn into the engine. NOW we are in a position to analyse the myths about chokes ! If the engine can start cold without the choke, it means it is getting enough fuel for that thru the slow-speed jet. So it's quite likely the jet is bigger than necessary, wasting fuel when the engine is hot ! Or, it may be that the "air-screw" is adjusted too rich, with similar effect. Or, the fuel level in the float chamber is set too high. Or, the engine has been flooded already and hence starts. In short, it is "two negatives making a positive". Nothing to be happy about!"

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Per G said:

My 2 cents.
My bike needs choke to start and also during a couple of minutes warm-up (even at decent temperatures).

If your bike starts and runs great without choke you probably have a rich setting allowing this to work.
And a bike with a rich setting should have higher fuel consumption, right ???

My bike runs approximately 63 mpg but requires the use of choke. What consumption do you have running an engine that works with no choke? Any difference? Trying to understand if this is theoretical only or if it is for real ?

Regards,
Per

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