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No wonder I can't get a consistent idle

  • Thread starter Thread starter exzachtly1
  • Start date Start date
E

exzachtly1

Guest
So I've been having trouble dialing in a consistent idle speed on my bike. I've cleaned the carbs, checked and double checked all connections, installed a new air filter, everything! Turns out the culprit is the idle adjustment screw itself. It's missing parts!!

I'm missing parts 54,70, and 82 here. The only part that's there is 73, the screw itself.

I don't know why I didn't catch this before since the screw has always just sort of wobbled around, but I finally figured it out when making adjustments after a ride today. Just nudging the screw up or down produces a noticeable difference in idle speed.

Just wanted to share my "duh" moment. Parts are ordered now. Side note - I need to start planning my parts orders a little more spaced out, 9 dollar shipping each time adds up ;)

And finally, any tips for adjusting the idle screw when the engine is hot? I can kinda jam my hand in there when it's cold and grab it (barely) but I've yet to find a tool that works for turning it when the engine is hot. By the time I get some pliers in there, there's no room to turn it!
 
Frank Z. said:
My contortion technique: from right side, left hand palm up, thumb and index finger... hold tongue just right.
Click to expand...

Haha, I guess it's the tongue holding that I still have to get down. For my hand it is a very, very tight fit. Like just BARELY.
 
On my 650's, I've figured out that if you put a longish flat-bladed screwdrive against one of 'knurl bumps' and tap the 'driver gently, you can easily get the knob to turn more than enough to adjust the idle, I go from the right side.
 
Missing the spring to keep the tension on would certainly do it. Congratulations on finding the problem.

+1 on the screwdriver/piece of wooden dowel to turn the knob.
 
Frank Z , that was hilarious!:D
On the 1100E with my pods, I climb in there, sit down and have room to think and hang out in there before I easily adjust my idle any which way I might want to.;) Very roomy.
On the 550l, I always seem to do it left hand from left side while sitting on the bike (stop sign) adjustments. Good design as far as I know. I have a complete stock setup and have had good luck with adjustments and even removing/installing my carbs on that bike.
Trust me tho, I have burned the top of my hand plenty messing with carbs trying to reach in there. :eek: lol
 
loud et said:
Trust me tho, I have burned the top of my hand plenty messing with carbs trying to reach in there. :eek: lol
Click to expand...

I have burned my hand many, many times adjusting those screws on my bikes. I learned I can ingnore the pain of burning me more than I can deal with the blisters that develop afterwards. Just got to be quick!
 
On all of our bikes (650L, 850G, 850GL, 1000G), I sit on the bike, reach in with my left hand, palm UP, place fingers under the knob and drag it whichever way it needs to go.

Most of them turn easily enough to not need two fingers on the knob.

.
 
Steve said:
On all of our bikes (650L, 850G, 850GL, 1000G), I sit on the bike, reach in with my left hand, palm UP, place fingers under the knob and drag it whichever way it needs to go.

Most of them turn easily enough to not need two fingers on the knob.

.
Click to expand...

Maybe that's just the issue, I need two fingers to turn mine. But that's probably because it's missing parts. Once they are replaced hopefully it will be easier! I also find the clutch cable gets in the way when reaching in from the left side, since it is routed between the #1 and #2 carbs.

Parts should be here soon - then we'll see how much better it gets.
 
+2 on the glove. I use an old work glove. Figured this out after I burned my hand.
 
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