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Idle question

  • Thread starter Thread starter apacalypse
  • Start date Start date
A

apacalypse

Guest
Hi everyone, I just have a question about my bikes idle. It seems after I ride a few miles then come to a stop the idle doesnt drop down to where it should be. Its not idling really high but its enough to notice. I dont have my tach cable (its in the mail) yet so i cant say what the RPMs are running at. I have it set by ear. I was wondering if someone knows what is causing this. Thanks
 
apacalypse said:
Hi everyone, I just have a question about my bikes idle. It seems after I ride a few miles then come to a stop the idle doesnt drop down to where it should be. Its not idling really high but its enough to notice. I dont have my tach cable (its in the mail) yet so i cant say what the RPMs are running at. I have it set by ear. I was wondering if someone knows what is causing this. Thanks
Click to expand...

Sounds like i need to check the intake boots and orings. Ill give that a try.
 
Have you tried backing out the idle knob a little bit yet? It hangs at back of carbs between 2-3 carbs. You need to give more info. Year, size, current history, any mods. It All Matters.
 
Everything I have and still own will idle a little higher after its been run for a while. My bikes will gain 100 - 200 rpms after they come to a stop after a moderate distance. Does it idle so high that the bike will move out as you release the clutch with out opening the throttle?
 
Yes it does, I sprayed wd40 on the boots and it didnt even miss a beat. so i dont think thats it. I dont have any mods on it. 1982 gs650gl. I had a little oil coming out of the front of the valve cover so i put a new gasket on it. Thinking mabee that might fix it but i rode it tonight and when i started it the idle was fine but after riding for about 10-15 min it was idleing high again. I would have to leave it in gear to slow the idle. So i dont know what else to try. Thanks
 
Sticky throttle cable or you are running lean and getting hot.
Does it tick from heat when you shut it down?
 
yes it does tick when i shut it down. Ive made sure the throttle cable isnt sticking.
 
Check your spark plug color to see if you are running lean. White is lean, tan is good and black is rich.
 
All bikes tick when you shut them off. My new SV650 did, my past Harley ticked, the three bikes before that, one air cooled and two water cooled, my dads water cooled 1600 vulcan does. You are probably right about the fast idle though.
 
all throttle

all throttle

what's up man.. i read your post and i thought of two plausible explanations... though neither need be correct.. my first thought was you probably have gummed up carburators, and so you wouldn't be getting the response you should get when you let off the gas.. my bike was doing the same thing... you could give it plenty, but took awhile to wind down after letting off.. so if you haven't given them the treatment in a while, might try that.

my other thought was that it was something simple and easily overlooked... like not enough slack in your throttle cables? worth checkin anyway.

lemme know how it goes man.. dave.
 
apacalypse said:
Yes it does, I sprayed wd40 on the boots and it didnt even miss a beat. so i dont think thats it. I dont have any mods on it. 1982 gs650gl. I had a little oil coming out of the front of the valve cover so i put a new gasket on it. Thinking mabee that might fix it but i rode it tonight and when i started it the idle was fine but after riding for about 10-15 min it was idleing high again. I would have to leave it in gear to slow the idle. So i dont know what else to try. Thanks
Click to expand...
Try spraying behind the boots where they attach to the engine. You will have to bend your spray nozzle to do so.There is a little space you can get it in by the fins,You might find you have an o-ring leak.Also check your air box and where it attaches to the carbs.I had the same problem and replaced the o-rings and intake boots and synced the carbs. Clean the spark plugs and reoil the air filter.Make sure your air box lid is on good.You have an air leak for sure somewhere.Also check your throttle cable play.
 
Almost certainly an intake leak.
And the leak test doesn't always expose the leak.
 
My bike doesn't tick and I ride in a dessert where the temperature averages over 100 degrees daily, but I did install an oil cooler.
 
My bike has ticked a few times, but usually in very cold weather. Our cars tick a lot.
My wife ticks me off sometimes...does that count?
 
KEITH KRAUSE said:
My bike has ticked a few times, but usually in very cold weather. Our cars tick a lot.
My wife ticks me off sometimes...does that count?
Click to expand...
High idle and air leaks will cause pipes to heat up and tick when you shut it off and a dirty engine will also cause it to run hot.Keep the front and the underneath fins clean and free of dirt. Especially the oil pan and filter area.These are air cooled engines. A lot of road dirt will act like a "blanket" and trap the heat in,so keep that engine clean!!!
 
tconroy said:
High idle and air leaks will cause pipes to heat up and tick when you shut it off and a dirty engine will also cause it to run hot.Keep the front and the underneath fins clean and free of dirt. Especially the oil pan and filter area.These are air cooled engines. A lot of road dirt will act like a "blanket" and trap the heat in,so keep that engine clean!!!
Click to expand...
You mean clean like this? :)

site1031.jpg
 
YES! Clean like that. But I wouldnt say every one would keep there engine that clean and thats a shame.Haveing a clean engine takes time and patience and very few people will take the time to that.Thats why I get up early on saturday.In a couple of hours your ready to ride and everybody looks. All some guys want to do is ride.I hate seeing a dirty engine no mater what it is ,bike,car,boat etc. My idle does not change no matter how long or hard I ride.I guess I got everything set just right.Most thanks to Keith!
 
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