Help! High Idle issues! - Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum
 
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post #1 of 5 (permalink) Old 04-29-2013, 03:14 PM Thread Starter
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Help! High Idle issues!

I know this isn't exactly for Intruders, but I couldn't find another forum that seemed like I might be able to get any good advice from

Just seeing if anyone can offer any advice. I have a 98 Suzuki Intruder 1400. It idles very high, I've adjusted the idle control to the max both ways, and no help, except one way it idles higher ha-ha. I've looked, and can't find any loose or disconnected vacuum lines either. If I unhook the vacuum line to the boost sensor, the idle drops some, but not to where it should be (going by ear) if I hook it back up, it increases the idle noticeably. Anyone know what may be the cause of this? It sat for awhile before I started it again. It was my fathers and I'm now trying to get it ready to ride. Do you think it just needs the carbs cleaned, or do I have a bigger issue possibly?

I just took it for a ride also, while riding, it will idle in first gear and run at: ~10 MPH with out any throttle, ~20 MPH in second without throttle, ~30 MPH in third without throttle, and if I go to 4th, it needs throttle to keep from stalling. When ever I pull the clutch to shift, the idle increases while the clutch is in. I also know that a ride wasn't the safest idea, but I was wanting to give as much information as possible. Any ideas?! All help is greatly appreciated and thanks in advance!
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post #2 of 5 (permalink) Old 04-29-2013, 04:01 PM
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Well its definitely something in the carbs. Something could be sticking or one of the carbs could be out of sync. Choke might be sticking or something too, just my $.02.

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post #3 of 5 (permalink) Old 04-29-2013, 04:16 PM
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Originally Posted by Eegore View Post
Well its definitely something in the carbs. Something could be sticking or one of the carbs could be out of sync. Choke might be sticking or something too, just my $.02.
Makes sense to me might be fixed with spray carburetor cleaner and Follow up with WD40 lubricant and a good dose of Sea Foam in the gas tank.

My C50 is fuel injected but I have had carb issues before On my 250 dirt bike the carb slide actually needed to be burnished to remove corrosion as it stuck in the wide open position. Bike actually kept running like a diesel even with ignition off I had to kill the engine with the rear brake.

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post #4 of 5 (permalink) Old 04-29-2013, 10:38 PM Thread Starter
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UPDATE!

Well, I went and bought some carb cleaner, wd-40 (didn't use) and seafoam. Used the carb cleaner, used the seafoam, still no help. Decided to spray carb cleaner into the air intake while it was running, I have no idea why, but I did lol. When I did, it idled down, I figured because it was being flooded or such. Got me thinking maybe the A/F was off. So, I adjusted the Pilot screw on both carbs. First, I screwed both out quite a bit, higher idle. Then, screwed them both all the way in, it wouldn't start (without some throttle help). So, I went by half turns on each until I got to 2 turns out, still wouldn't start (without throttle help). Then I remembered that I had adjusted the idle knob all the way down, so, while I had it started and manually giving it a little throttle to keep it running, I adjusted the idle back until it ran on it's own.

It now sounds and rides great! I'm not sure if the Pilot screws on the carb somehow moved because of vibration, if there was something gummed up on them and turning them loosened it, or if it just needed all adjusted but it's running good now. Will see how it's doing in the morning. I took it for a ride also and had no issues what-so-ever. Thanks for the input!
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post #5 of 5 (permalink) Old 04-29-2013, 10:53 PM
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Glad you got it sorted out, now put some lock-tite on those screws quickly. Just use the blue our you'll cuss yourself if you ever have to work on it again. Trust me!

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