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Looking for Technical help in MN

  • Thread starter Thread starter bdub416
  • Start date Start date
B

bdub416

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I've been battling an ornery 1982 gs450 since I bought it on the cheap 2 summers ago. Summer is fast approaching and I would love to get her up and running smooth ... for ONCE. When first acquired it had sat for many years and didnt run. With the help of fellow GSers I have gotten it at least in riding condition ... but I have a SEVERE idle problem when the bike isnt moving. I've replated intake boots and o-rings on the engine side, and new boots on the air box side. I had the carbs dipped and re-built last summer ... but the guy couldnt fix the idle problem.

Anyone from MN willing to lend a helping hand, one in which is mechanicaly inclined?

Anyone else have any suggestions?

Trying to reach out before lighting the bike on fire...

Regards,
dubs
 
Okay, what is your severe idle problem?

Racing and rising?

Stumbling and stalling?
 
If the bike is moving, it runs great ... as soon as I am stopped at a stop light the RPMs skyrocket to 4-5k RPMs. I 'controlled' this last summer by letting the clutch out a bit while holding the brake to drive the RPMs down.
 
Don't believe so. When the bike is warm I have it dialed in to roughly 1500 RPMs ... but once it heats up the idle adjustment has minimal to zero impact on the idle skyrocketing.
 
Air leak would be my guess. Try richening up the idle circuit with the mixture screws.
 
bdub416 said:
I've been battling an ornery 1982 gs450 since I bought it on the cheap 2 summers ago. Summer is fast approaching and I would love to get her up and running smooth ... for ONCE. When first acquired it had sat for many years and didnt run. With the help of fellow GSers I have gotten it at least in riding condition ... but I have a SEVERE idle problem when the bike isnt moving. I've replated intake boots and o-rings on the engine side, and new boots on the air box side. I had the carbs dipped and re-built last summer ... but the guy couldnt fix the idle problem.

Anyone from MN willing to lend a helping hand, one in which is mechanicaly inclined?

Anyone else have any suggestions?

Trying to reach out before lighting the bike on fire...

Regards,
dubs
Click to expand...


Where are you?
and you got the intake boot O-rings from here www.cycleorings.com? and you said a guy rebuilt them for you? how good of a job did he do? it is usually best to do it your self so then you know they were done right.

Let me know where you are cause I could maybe come out and help. I have rebuilt several bikes and had this same problem so I can maybe help.

Good luck
Jake
 
Suzuki_Don said:
Air leak would be my guess. Try richening up the idle circuit with the mixture screws.
Click to expand...

BINGO.


The next time the bike rpm's abruptly rise, flip the choke on. If the engine idles back down quickly and still runs clean, you have an air leak.
 
Nison ... I sent you a PM, hope you can help!


Road Clam ... I've never heard that 'test' before, I'll check it out tonight and let you know what happens

Thanks guys!
 
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