Problem trying to maintain constant speed - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 11 Old 05-18-2017, 04:41 PM Thread Starter
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Problem trying to maintain constant speed

Hello all. I have a 07 vstrom 650. I've recently notice that my bike will become jerky and it feels like it starts bucking while i'm trying to maintain a certain speed. It doesn't matter what rpm i'm running at and it seems fine when i'm accelerating as well as decelerating (just letting off the throttle). Chain seems fine and i'm scratching my head as to what it could be. Anyone else experience this issue?
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post #2 of 11 Old 05-18-2017, 04:56 PM
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Will removing the free play in your throttle cable make any difference?
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post #3 of 11 Old 05-18-2017, 05:01 PM
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Are you new to the bike? It can take a while to get used to it. Otherwise, you may have a worn TPS.

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+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
See http://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at http://www.stromtrooper.com/informat...-you-have.html
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post #4 of 11 Old 05-18-2017, 05:08 PM Thread Starter
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I've had the bike for about 5 years now and just this years it started. How can i find out if for sure it is a tps?

I'm not sure if removing any freeplay would make a difference. I will look into it though.
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post #5 of 11 Old 05-18-2017, 05:17 PM
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Removing free play provides no physical effect on the throttle setting unless the throttle shaft is sticking. You are always up against the spring pressure. Try running the throttle from stop to stop a few time with the engine off and see if that helps for a while. It can temporarily clear up TPS debris. If it helps, the TPS is definitely toast. If not, it can still be a TPS problem but the only way to see is by replacing it. You could try swapping the TPS and the STPS to see if that helps temporarily. On '07 and later 650s, they are the same part number. The STPS is rarely a problem. They can be tricky to adjust though.

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+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
See http://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at http://www.stromtrooper.com/informat...-you-have.html
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post #6 of 11 Old 05-18-2017, 06:48 PM
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Curious the number of miles moffat has to experience jerky throttle. At 92K miles, mine still seems as smooth as it was at 23K when I got the bike.
Maybe sitting out winters in a shed allows linkages to get gritty and not co-operate?
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post #7 of 11 Old 05-18-2017, 07:48 PM Thread Starter
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I have 25k miles on it now. Is there any chance this could be due to spark plugs? I don't think i've changed them since i got the bike.
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post #8 of 11 Old 05-18-2017, 08:35 PM
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2007 plugs were not Iridiums. They are due for a change. Try four new plugs and see.

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+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
See http://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at http://www.stromtrooper.com/informat...-you-have.html
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post #9 of 11 Old 05-18-2017, 08:39 PM
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I suggest a reboot. We're about to do that to our Versys at about 25,000 miles. Air filter, clean & lube everything, check valves, new plugs, maybe new coils, check the fuel system settings. Already pulled the throttle sleeve off, lubed cables, cleaned, polished the bar (a little rust was giving hang up).

50 miles from DGMR
2004 DL1000
2009 Versys 650
2014 Moto Guzzi California 1400
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post #10 of 11 Old 05-18-2017, 08:59 PM
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Do not lube the cables. They are Teflon lined and don't need lube. That will only attract dirt. Grease the barrel ends of the cables instead.
Skew and K9 Wee like this.

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+ DL1000s. Wee = 2004-2011 DL650s. Glee = 2012+ DL650s
See http://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at http://www.stromtrooper.com/informat...-you-have.html
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