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Discussion Starter #1
hey whats up,
2008 vstrom 1000 93000kms
No engine mods
Plugs and filter changed over the winter
One tooth less front sprocket

I was wondering if anyone else has experieneced this symptom.
When im cruising 4-5krpms in 4th or 5th the bike will feel like its losing speed then speeds up then loses speed again. Almost like im rolling on/off the throttle. My voltage meter doesnt change and my rpms and speed dont move.

I started wondering if it was wind buffeting or the roads, cause it happens intermittently.

Just wondering if anyone else has experienced this.
Thanks so much
 

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May be time to order a TPS. They probably spend more time between 4000 and 5000 RPM than anywhere else, so adds are there is a worn spot on the TPS in that range.
 

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I would agree with the TPS or fuel pump.

Only when hot ???

You could try a TPS reset.

With the ignition off fully open and close the throttle a few times.

If things improve it points to the TPS being bad.

The reset will not fix a bad TPS it just helps a bit sometimes.
 

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Discussion Starter #4
The fuel pump sounds fine and i plan on doing a pump test in the off season, im gonna look at the tps and try the reset
 

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Discussion Starter #5
I would agree with the TPS or fuel pump.

Only when hot ???

You could try a TPS reset.

With the ignition off fully open and close the throttle a few times.

If things improve it points to the TPS being bad.

The reset will not fix a bad TPS it just helps a bit sometimes.
Yes its only once its been warmed up and running hot
 

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Discussion Starter #6
So i took the bike out this morn after the TPS reset and it was still doing it. I have a Heal Tech DS series gear thing that shows me what gear im in and i noticed that its showi g me in 5th when im in 4th and thats when it starts to pull and then let off while i hold the throttle. I didnt install this but was wondering if this is some how a problem?
 

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Discussion Starter #7
So tell me if im crazy but i reset the
Gear selecter it came up C07 on the screen and then i just rode and now i dont get any weird lag between 4 and 5 k in forth gear. It doesent gear up to 5th on the screen when im revving it at 5k in 4th.
Could the problem be gone ?
 
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