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-   -   Bike running lean (https://cbrforum.com/forum/general-tech-9/bike-running-lean-142008/)

stealthy92 Sep 17, 2012 10:21 AM

Bike running lean
 
So I've taken apart my carbs, cleaned them thoroughly, put a stage 1 dynojet kit in and new #42 pilot jets, turned the fuel mixture screw out 4 turns, and it's still running lean.

My problem is it's hesitating on take off. I'll get going and it hesitates then after like two seconds it'll go. It runs like a monster after that so if I buy bigger pilot jets (I think the next step is #45) would that solve my problem?

Before I had my mixture screws turned out 3 turns instead of 4 and once I turned them out to 4 I noticed the hesitating got a lot better, but it's still very much there. If I keep turning them out I don't know how much it'll help cause if the pilot jet is too small, I can turn it out all I want and it won't make a difference.

I just wanna see what you guys think before I start spending money.

Mods:
Vance and Hines slip on
K&N air filter
Stage 1 Dynojet kit

Also would I have to adjust anything else other then the pilot jets?

porters Sep 21, 2012 11:01 AM

as you said i would try the jet first that should solve your problem

zaqwert6 Sep 21, 2012 12:34 PM

How do you know its lean?

Did you change slide springs ? (Not sure what kits are coming with nowadays)


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