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Post Info TOPIC: Fast Idle Speed Adjustment (ie Choke)


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Fast Idle Speed Adjustment (ie Choke)
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Hi all,

I have the white tank TTR250 Open Enduro, I believe 1994ish. Since I've bought it, it has an annoyingly fast idle speed with the choke on. I have the manual but I cannot see a section which describes how to adjust it. Any help would be appreciated!

For reference: I tried turning it in, but it doesn't seem to work like that on this type of carb. I did notice the shaft is slightly bent so I need to replace that.

I've recently added the stubby header and an open FMF Powercore4 exhaust (the noisey one!), with a Moose Racing filter so I'm next thinking of airbox mod and then buying a carb kit to match these mods from Ebay (a company in the US send out a whole kit rather than just changing jets). I've added these notes, in case the choke speed adjustment is by changing carb internals?

Cheers, Stew



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Super Guru

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Thats what a choke dose...
richens up the mixture which in turn
makes the motor rev a bit higher
to keep a cold motor running ..

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It's just the way they work with mine I can get round it by carefuly pushing the choke in a bit drops the speed a bit and keeps the neibours happy 



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petenz wrote:

Thats what a choke dose...
richens up the mixture which in turn
makes the motor rev a bit higher
to keep a cold motor running ..


Yes sure, but it should be adjustable. It's hideously fast.



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