• Husqvarna Motorcycles Made In Sweden - About 1988 and older

  • Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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How about Carb tuning for 250s ?? Starting with 82 and on up

GaryM

GaryM

Husqvarna
AA Class
Since we have a 430 update, how about whats in your carb for the 250 models form 82 Wr then on to 83 and 84 air. Lets add in the late WC s whats in your carb ??
 
I'll start...
83 250WR
450
6DH20-3
3.0
40
recently sold the bike and can't remember which needle jet I had in there.
 
Don't forget the exhaust tuning seems to effect the 250's more then the open bikes too.

My 83 250CR, ran ok, til , I replaced the stock silencer with a Vintage Answer, I could believe the difference :eek:.
 
That is really something to think about. Humm FMF still make s an option , or if one could find
a used vintage Answer. Thanks Mr John
 
I'l have to take the carb off my 82 250XC and CRs to see what is in them. I changed them from when I got the bikes but I didnt write down what jetting I used.
 
Every stock jetting should be written down. From your starting point on so if it gets mushy along the way we’re not confused to go back. The pilot jet, the main jet, the needle jet, the needle, the clip position on the needle and the opening in the slide should be written down. It gets worse trying to remember with multiple bikes. Each bike is different.

All I can remember is I installed a 40mm carb on the cr390 and ended up going two sizes smaller on the needle jet. I changed the pilot jet, went leaner and main jet I probably went leaner and installed the UFO. See back then I didn’t write it down too. She ran great. But not for a novice rider.
 
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