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Getting closer but need more advice...

  • Thread starter Thread starter Tiny
  • Start date Start date
T

Tiny

Guest
The bike is a 1983 gs650... Carbs are freshly cleaned and rebuilt with stock jets... New o rings behind the boots... Air leaks fixed... It finally starts and idles at 1000 rpms... revs just fine on the table with no lag... The air box was broken beyond repair so now it has pods instead... Test riding it bogs down bad at around 4000 rpms. We can kinda feather the throttle until we can shift up but then around 4000 rpms it bogs down again...

Does this sound like I should go bigger with the jets? If so, what size jets would be better and where can I get them? Dynojet doesn't sell a jet kit for this bike...

Carb experts? Help!

Please and thank you everyone...
 
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Unfortunately putting pods (even good ones) on this critter, will probably force you to get a dynojet kit if you want to have a decent mid range throttle response . The dynojet has a different shaped needle.

used 650 shafty air boxes surface all the time on ebay. Might be simpler than fighting carb jetting even with the dynojet kit.
 
tom203 said:
... used 650 shafty air boxes surface all the time on ebay.
Click to expand...
While I agree about the praacticality of using a stock airbox, he only mentioned '83 650, he never mentioned if it was shaft or chain. :-k

Don't have the time right now to look, but I don't think they take the same airbox.

.
 
Steve said:
While I agree about the praacticality of using a stock airbox, he only mentioned '83 650, he never mentioned if it was shaft or chain. :-k

Don't have the time right now to look, but I don't think they take the same airbox.

.
Click to expand...
Yes, they use a different airbox. Few "650E's" out there, I think that he has a shafty, but my memory often tricks me!
 
Tiny said:
The bike is a 1983 gs650... Carbs are freshly cleaned and rebuilt with stock jets... New o rings behind the boots... Air leaks fixed... It finally starts and idles at 1000 rpms... revs just fine on the table with no lag... The air box was broken beyond repair so now it has pods instead...
Click to expand...

Pods and stock jetting don't mix, you will definitely have to re-jet. What brand/type of pods are on it? What exhaust system? Where are the mixture screws set?


Mark
 
Thanks guys,. I used an author out of a parts bike and all is good now
 
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