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View Full Version : Dumb 85 250R Kiehn Choke Question



KeepItOn3
07-06-2010, 11:37 AM
Is the choke up or down on the stock Kiehn carb? It idles great when it is in the up position and as soon as I put it down it dies. Any help with this appreciated thanks guys!!

Grizzlypeg
07-06-2010, 11:39 AM
Up is choke on, on my 200x.

If its the same direction as the 200x, you might have a plugged idle passage or cold enrichment jet, depending on the design of the carburetor.

D-dub
07-06-2010, 01:03 PM
On an 85 250r, you push the lever down to actuate the choke. Which in turn lifts the plunger on the other side of the carb.

haggard 2hundie
07-07-2010, 07:20 PM
up is fully choked on my keihin

KeepItOn3
07-07-2010, 07:23 PM
ok sounds good thanks haggard...so do you know the reason why it does when i push the choke down??

KeepItOn3
07-07-2010, 07:38 PM
hey D-dub sorry I did not see your post until right now. it idles great when it is in the up position but as soon as I push it down it just dies...any suggestions?? Thank you!!

cattle-dog
07-07-2010, 07:45 PM
up is choke on take the bowl off and give it a good cleaning with carb cleaner, did you try to simply turn the idle up?

KeepItOn3
07-07-2010, 07:48 PM
thanks cattle! i cleaned it pretty good the first time but might take it apart and try it again. Yeah I warmed it up and came back and adjusted it to where it idled in the choke position but now I know that down is run so I will try and adjust it accordingly. Thanks again Cattle!!