Intermittent idle problems on Vee - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 21 Old 05-07-2011, 11:47 AM Thread Starter
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Intermittent idle problems on Vee

Hey guys, new member here.
'03 Vee with 17k, I have had about a month, and it started having idle problems 2 weeks ago after about 100 miles on fast interstate ride. When I exited, the bike died. Rode about 20 more miles and it died a few times before arriving. It died on the way home a few times, but otherwise ran fine. Since then, it only seems to die on out of town trips (not local) and then only maybe 5% of the ride am I having trouble.

Plugs and filters checked
Will check throttle body this weekend
Boots appear firmly attached

Any other suggestions on how to diagnose intermittent idle issues?



Last edited by dredman; 05-07-2011 at 12:11 PM. Reason: added pics
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post #2 of 21 Old 05-07-2011, 12:07 PM
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Had problems with my 1000

Had somewhat the same problem with my 1000. Traced it to a bad conection at the tank plug, the hot wire. Easy to check, when it stops turn key off then back on you should hear the pump cycle if it doesent that the [problem
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post #3 of 21 Old 05-07-2011, 12:15 PM
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I've heard the Throttle Position Sensor mentioned as a possible cause of this.
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post #4 of 21 Old 05-07-2011, 12:51 PM
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Stalling after long highway cruise.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #5 of 21 Old 05-09-2011, 08:50 PM
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OK if I chime in on this?

I just recently did a valve clearance adjustment on my bike - found the rear boot was loose and reinstalled and tightened it. I'm assuming it hasn't come loose again already. New iridium plugs, new air filter, TBS done. I've been out for a few decent rides since, sometimes riding it hard, sometimes cruising at fairly constant speeds for a while, and the idle was dead solid.

Until today. Rode my bike to work, thought the throttle was a little iffy at low speeds, but didn't notice until I got to my parking lot that the idle problem and low speed running issues had occurred again. Same thing on the way home. When I finally hit a traffic light I did the open-close throttle thing and cycled the ignition, and it started running fine again.

So, I think I can rule out any tuning issues or the usual suspects. I don't know what the next step is. I guess I can try replacing the TPS - it's not cheap, but not super expensive - although it's a bit of a pain to get at. See what happens.
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post #6 of 21 Old 05-09-2011, 11:04 PM
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Did you reconnect the crankcase vent tube to the airbox? I forgot this critical step one time and had the same problem.

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post #7 of 21 Old 05-10-2011, 12:05 AM
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Quote:
Originally Posted by V-Strom Ry View Post
OK if I chime in on this?

I just recently did a valve clearance adjustment on my bike - found the rear boot was loose and reinstalled and tightened it. I'm assuming it hasn't come loose again already. New iridium plugs, new air filter, TBS done. I've been out for a few decent rides since, sometimes riding it hard, sometimes cruising at fairly constant speeds for a while, and the idle was dead solid.

Until today. Rode my bike to work, thought the throttle was a little iffy at low speeds, but didn't notice until I got to my parking lot that the idle problem and low speed running issues had occurred again. Same thing on the way home. When I finally hit a traffic light I did the open-close throttle thing and cycled the ignition, and it started running fine again.

So, I think I can rule out any tuning issues or the usual suspects. I don't know what the next step is. I guess I can try replacing the TPS - it's not cheap, but not super expensive - although it's a bit of a pain to get at. See what happens.

Yes, you are having the classic symptoms of a TPS failure.

I think the diagnostic part is that if you cycle the ignition and scrub the throttle back and forth a few times, it'll clean up the sensor temporarily and it'll work fine for a while. Any other problem wouldn't be affected by that.

It's not that hard to do, and if you replace those stupid torx head screws with allen heads, you can reach the TPS from the side with a 4mm ball end driver without taking off the tank. Makes it easy to set correctly.

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post #8 of 21 Old 05-10-2011, 09:25 AM
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Yeah, having read a bunch about this issue, I think it's worth a shot. I think I'll be popping the tank off and having a good look again at all the throttle and secondary thorttle plate linkages also, to make sure that nothing's hanging up or sticking, although I don't know what to do about it if it is.
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post #9 of 21 Old 05-16-2011, 07:20 PM Thread Starter
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well I swapped plugs, filter, and synched TBs and no more problem, so it may not have been the TPS?

Without the problem it is hard to test.

Bike is running great so it is on the back burner.........

Now a new problem........

I broke the speedo-sensor head-thingie while changing sprockets

Is there an aftermarket version that is NOT made from a Ritz cracker?
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post #10 of 21 Old 05-16-2011, 09:34 PM
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Quote:
Originally Posted by dredman View Post
well I swapped plugs, filter, and synched TBs and no more problem, so it may not have been the TPS?

Without the problem it is hard to test.

Bike is running great so it is on the back burner.........

Now a new problem........

I broke the speedo-sensor head-thingie while changing sprockets

Is there an aftermarket version that is NOT made from a Ritz cracker?
Speedometer head thingy is mounted to the front wheel, (left side). I kind of find it hard to believe that you broke it while changing a sprocket.......

What you may be referring to is the gear indicator that is located behind the front sprocket. Is that what you are talking about?

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