Blood Sweat Tears and Grease > Engines
Motorcycle Carburetor Theory 101
Midcoastcustoms:
--- Quote from: locO leoN on Jul 04, 2010, 13:13:16 ---Wow!!..
What a fantastic thread!.
Thanks for taking the time to write it up!!.
I'm gonna sticky this thread!!.
--- End quote ---
Once again i didn't write this just re-arranged the info and posted it. I found this while looking for parts for my cb450. The info came from this site http://www.siriusconinc.com/faq.php#name_7 This was probably one of the best carb theory explanations i have seen. Hope this is of great help to many!
Cat13:
Thank you for posting this. Now I've gone from knowing an itsy bit about carbs to knowing a whole lot more.
MrNooberton:
Thank you very much for posting this!
chris73cb175:
this should stay up forever hahaha. thanks for the info i'm sure it has helped a lot of us trying to tune our bikes
Will McD:
Best jetting post I have read.
However, my bike is giving me problems, and I can't figure out where my problem fits in all of this.
When I bought the bike it had sponge-like unifliter pods on each carb of my 82 CB650.
I installed K&N pods instead.
The bike runs pretty good, i have never ridden a bike of this size so I can't be sure. It idles fine, and seems to have good power. I have gotten it up to the ton no problem with more rpms to spare.
HOWEVER, today I finally put insurance on it, and plated it, and got ready to go on a road trip this weekend and I took it out for a ride. It was moderately windy (more wind than this bike has seen in the short time i've had it). It ran great going with the wind. No problem. When I turned around to go against the wind the bike ran like crap. Whenever a gust of wind hit me the bike bogged down so bad I almost had to pull over. I tried running with the choke half way and it seemed to fix the issue and it ran pretty decent.
So what is my issue? I suppose the bike is running lean since the choke helped.
Why does the bike run fine with lots of power as long as there is no wind?
I want to fix this problem fast for the weekend. I might try to tape up the air filter pods to limit some air and see if that helps.
Which jets would I be looking at changing in this case?
I think I'll post this under it's own subject too.
Thanks!
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