Balky starts on DL650 ?? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 10 Old 04-15-2005, 11:39 AM Thread Starter
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Balky starts on DL650 ??

Friends
I have almost 3k miles now on 04 stealthy black 650.
Since the beginning, i always noticed that on cold starts the bike will immediately 'descend' rpm's in the first 60 seconds or so, breaking below 1000. as it warms it gets better.
These days, it will decline like that and shake all over and ALMOST die, then catch up and warm gradually.

is this your experience? doesn't seem kosher to me.

ideas?

z

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post #2 of 10 Old 04-15-2005, 12:14 PM
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The blue ones don't do that :lol:


Seriously, mine, upon starting cold, will instantly shoot up to 1600rpm then slowly over 60 seconds come down to about 1200rpm. After it is fully warmed up it sits at between 1400 and 1500rpm. The shaking sounds like a sync problem. I seem to recall you saying that your bike smelled rich in another post. I've had bikes struggle to idle when cold if the mixture's overly rich, something to consider.
Dan
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post #3 of 10 Old 04-15-2005, 05:09 PM Thread Starter
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has me wondering a bunch of things: is the mixture adjustable on these bikes or is it a mapping exercise? do they have either/both Mass Air sensor and O2 sensor? wondering if the O2 calibration is misfit?
Z

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post #4 of 10 Old 04-15-2005, 11:24 PM
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When my dealer hooked up his Yosh box to my 650 to try to get rid of a little surging I had, it definitely ran richer, very strong odor out the exhaust and it also did lower the idle speed about 2 or 300 rpm. The smell was actually so bad I had him set it back to stock, it also didn't help with the surging anyway. I could be wrong but I think the only 650's that have a catalyst and oxygen sensor are the European and California models. If it's anything like an automobile, mixture probably cannot be changed much on a catalyst-equipped engine unless the oxygen sensor is disabled, in which case the catalyst may melt down. Anybody here with a California bike? Does it have an oxygen sensor?

Dan
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post #5 of 10 Old 04-16-2005, 12:37 PM
Joe S.
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I don't think thats right at all. neither my sV1000 or the dl650 do anything like that on start up. Both just fire up, run at high idle for a short time, then settle down.
Don't overlook other possibilities such as the weird bad coil that mine had, the bike tried its best to compensate for that until it just got too far out of whack. Doubt thats what it is in your case but worth considering all possibilities.
post #6 of 10 Old 04-17-2005, 06:03 PM Thread Starter
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hey, check this out joe, et al.
I have a newfound Strom friend nearby who also rides an 04 dl650. he sent me a mail describing his lower fuel mileage, smelly exhaust, etc and it appears our two bikes have identical symptoms! is this a Texas disease?

ok, so joe you're the second one to point out that when functioning right, the engine idles UP at start, then gradually reduces to norm. mine obviously is the big reverse. I'm just reading the FI symptoms section of the Shop Manual and its interesting that "Stall: immediately after Start" is listed as one of the "customer complaints" to check.

I read through the entire chapter and the thing is complicated! lots of sensors, lots of things that can fail, and a few things that can be adjusted within a range of tolerances. Convinces me that I need to get to a mechanic that has seen a few DL's, TL's, SV's.

Zapp

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post #7 of 10 Old 04-17-2005, 09:41 PM
Joe S.
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One of the interesting things about my experience in tracking down this bad coil thing is that the dealer claimed that Suzuki does not yet have a diagnostic computer for the DL available to dealers. I don't know if this is true or not, or if its just that this dealership has not ponied up for one.
I would think it would make diagnostic work a bit harder though. In this day and age when so many places rely on plugging a bike in and looking for a fault code and in fact the machines are designed to do this.
if there is anyone in your area who is particularly experienced with the SV/DL bikes they might be able to sort it out a lot quicker than most places could. Around here we have a young fellow who builds SV650s for race use, if I had something like you do I think I might consult him. Is there perhaps any shop like that in your area? Of course the best thing is to get it done under warranty but I'm assuming you are past that point.
post #8 of 10 Old 04-17-2005, 10:52 PM
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OK
HOLD ON
The comment about dealers not having a computer that reads fault codes..

It's all onboard Baby!
You have to jump the wire harness connector, the thing under the seat.. then the bike goes into "Dealer Mode".

If you have a faulty component the code flashes up on the speedo.
(However: Coil may not be one of those)

Zapp, have you tried this? ... It's all in the Manual codes and procedure.

C00 Means No Problemo I remember that one.

Zapp, I could guess at all kinds of things... wonder if you have a bad injector?

Is your TBS and TPS set right?

Zapp Have you taken her to a Dealer?

04 DL-650
Have a good time, ALL the time !
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post #9 of 10 Old 04-18-2005, 08:05 AM Thread Starter
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To my dismay, the dealer I took 'er to [from which I bought] doesn't know anything about the electronic stuff [which is like the whole bike].

I read the whole chapter on de-coding, but it kept referring to "the special tool" for kicking into Dealer mode. Can you point me to a specific reference that tells how to do it? I thought it looked like a connector device that I suppose "shorts" the right connections to bring up the panel.
But, if you don't get an outright error, there is still a whole LOOOOONNNNNGGG series of tests to test voltage across leads of the various sensors, etc. I would be lost on the latter

it seems to run fine, just uses a lot of gas and it buzzes in the seat pretty hard on WOT... i thought/think that would be normal

z

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post #10 of 10 Old 04-18-2005, 09:35 AM
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Zapp,

Old Freind dont be dismayed... I know it can seem overwhelming BUT The way I look at it, If a bunch of crazy little japs can think this stuff up.. it cant be that hard to fix.

I dont know how mechanical you are. For me I have always just jumped right into this stuff.. My advice.. just take your time go over it 10 times in your head before you do it. Try to work in small procedures doing one thing at a time. If you take apart 10 things at once your gonna have a hard time getting it all back together, know what I mean?

My advice. First thing I would do if I were you. Put it in delaer mode and see what it says. This is very very simple and it will tell you where your starting off

You do not need the tool they talk about. You can use a peice of wire to jump the 2 terminal to put it in dealer mode. (thats all the tool is, a fancy connector with a wire that jumps the terminals)

Look Here
http://vstrom.info/cgi-bin/moin.cgi/...us_FI_codes%3f
read the bottom for the 04 /05 instuctions.. all the codes are the same 02 to 05 650 or 1000

If you cant make heads or tails of this let me know. I will go out to my bike and do the dealer mode thing and take pictures Let you see what I do.

Once you do this and you know the outcome... then I would try a TBS and a TPS adjustment... but thats later. We can walk you through that too.

OK


Did you and your neighbor buy the bikes from the same dealer? I wonder if this bone head has no idea how to properly set up and prep a bike before he sells it.

OK let me know what you think any questions just ask.

04 DL-650
Have a good time, ALL the time !
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