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Discussion Starter #1
Hi everyone,

I just got my K4 DL 1000 bike.
I have to take it to a shop in order to fix one MAJOR problem (and please forgive me for not knowing all the right maintenance terms in English):
Sometimes, when shifting down gears, the engine's rpm go down very quickly (rather immediately) and the engine suddenly turns off, while in driving!!
Needless to say how 'unpleasant' it is when turning or passing other cars.
Also, when in idle, the rpms go down (less than 1k), accompanied by backfires.
The guy at the shop that sold me the bike, told me that they have checked the injection system, and they don't find any problem with it (what seems not to be true from today's drive).
Please advise me of what may be wrong with the engine/injection system, so I'll have some idea of what to do with my somewhat disappointing V-Strom.
THANKS!
Erez.
 
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Discussion Starter #2
Don't know about the issue you're having with the bike, but just wanted to say congratulations on the new purchase, and welcome to Stromtrooper!
 

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Congrats!

MAke sure your Idle Speed is set at 1200RPM.

Any lower, and the bike will fart/stall. Common problem. The idle speed screw is on the left side, Phillips head screw.

I'd remove the secondaries if I were you. Israel is a warm climate and the Strom breathes better in the thin air without the Secondaries.

Gratz on your purchase!

V.
 

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Secondaries

When you remove the air filter, you can look down into the air intake manifold. You'll notice 4 valves (round silver discs). 2 are near the top of each intake and 2 at the very bottom of each intake funnel.

The secondaries are the 2 near the top. They are secondary butterfly valves that act as restrictor plates and help the bike meet Emissions standards.

By removing the little screws that hold them in place (and be careful not to drop them into the intake)!!!, you can then remove them. Your airflow into the funnels will increase by 30% (dyno'ed) and more air=more power. Also, it'll mean crisper throttle response and much much much less farting/stalling, although it'll do it once in a blue moon, like any V-twin.

Cheers

V.
 
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Discussion Starter #7
Thanks for the welcoming

I'll print all I've found on the net about the problem and give it to the shop.
I really don't want to feel like I've made a bad deal with the bike, but right now I'm too unhappy about it. (FIY, because of high taxation in Israel a new DL 1000 coasts about US $20K!!!)
Thanks Vordak for the info.
Having this problem made look in other Vstrom forums and I'll have to learn how to deal with so many new mechanical terms that I didn't have to know on my previous bike (Kawasaki KLE).
Do you think that the problem I have with my bike has anything to do with remapping the FI?
And btw, what's ECIII?

Again, thank you for making me feel just a little bit better.
Erez
 
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Discussion Starter #8
Plus another term:
In a nut shell, what's ECM?
 

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ECM= Electronic Control Module.

Escapdia, I do not know all about the Strom but I do not think the ECM needs to be reprogamed. Someone would have had to reprogram it in the first place to make it run that terrible. And if it ran that terrible they probably would have just set the ECM back to default settings. Just logic on my part but I could be all wrong.

I would do the standard DL1000 check over. Idle set to 1200-1300, and throttle body synch. Might as well check to make sure the air box is fitted correctly, and there is a gasket between the air box halves. The air box is rather a pain to get to sit correctly. Might also want to check that the airbox didn't pop off one or both boots on the bottom.

There is probably more but the others will surely get the ones I missed. You have bought a great bike that is sure to please once you get it set up right. Welcome to the forum.
 
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Discussion Starter #10
Thanks again everyone

Went to the Suzuki shop today (I got 1 month warranty when I bought the used beast). I came with a check list (manifolds, ECM reset & reprogram, +5% fuel @ low rpm) and I also got the clutch basket replaced, all free of charge.
My baby seems to work better, hopefully next time I see the shop is just for regular maintenance.
 
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