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so i cleaned my carburetor on my 93' yesterday because it was giving me issues, and got it working perfect, now when i reattached all the cables and such the throttle wouldn't return after twisting it. i took apart the housing and cleaned it and everything, the cable has no kinks and all springs and stuff work fine, i just don't understand why it won't return naturally. i have a 97' also and i took apart that housing, looked the same and when i reattached it, it also didnt return but after some adjusting it did, but my 93' won't budge. any suggestions. i've lubed everything, checked all springs, checked all cables, i'll take the some pictures later
 

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i did exactly the same process and had the same problem. took everything apart a ton of times. What was the problem? froction on the outer edge of the grip. i believe hairspray is the answer.
 

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Mines a bit the same, rev it up and it only drops back to 3000- 2500 rpm for 30 secs then falls away to a chunky 1000 rpm or less.
Whats the idle speed of a 97 ?
 

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1200~1300 RPMs, have you done the pilot jet screws? If so you just need to dial those in properly

Warm it up, turn 1 side pilot screw in until the rpms drop, then back out till RPM's peak (and no further)* Twist throttle...see how it reacts...tweak to taste.
Repeat on other side... test ride. You're looking for best throttle response and transition from just cracked to 1/4 throttle opening or so.*

Also check for any vacuum leaks, and all the carburetor boots are installed properly.

Thats a quickie, 10 cent tutorial on setting pilot screws.**
 
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