Wee throttle surging, rust in gas tank? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 6 Old 08-08-2017, 03:34 PM Thread Starter
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Wee throttle surging, rust in gas tank?

I bought a barely used 2006 Wee recently (only 400 miles on it) and found it had rust in the tank. I've been riding it quite a bit recently, and it started exhibiting some very strange symptoms.

After riding for a while, the bike will start to "surge". I will have the throttle rolled on, but it will act like I just rolled off and the RPMs will dip drastically and the throttle simply won't do anything. Then all of a sudden the bike will surge ahead like I just gave it a huge rev. Once this starts, the surging continues until I basically put the bike away for the day and come back another day.

From doing various forum searches, it seems like it could be a throttle body issue, but with the rust in the tank, I am wondering if it is merely a fuel system issue and I need to clean out all the rust, check the filter, etc.

Appreciate any help!
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post #2 of 6 Old 08-08-2017, 03:34 PM
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Crapped up fuel filter very likely......

BRIAN "GO Buckeyes, GO Wildcats"!

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post #3 of 6 Old 08-08-2017, 03:42 PM
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Take care of cleaning the Fuel System before you worry about anything else. Chances are that will solve all the problems.
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post #4 of 6 Old 08-10-2017, 09:51 AM Thread Starter
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Is there a way to clean the fuel filter if rust is in it? From what I have been reading, it is nigh impossible to access the actual fuel filter itself...
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post #5 of 6 Old 08-10-2017, 10:05 AM
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A bypass is probably your best bet. External Fuel Filter modification

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
See https://www.stromtrooper.com/general-...nicknames.html

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post #6 of 6 Old 09-11-2017, 10:33 AM Thread Starter
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Update:

So I took the bike over to the local Suzuki shop (Karn's Performance in Mechanicsburg PA), and they ran it through a battery of tests and found that the voltage was all over the place after running for a while. They determined it was a bad Stator and Regulator/Rectifier. All of those things sounded expensive, and they confirmed as much, so I drove it back 15 minutes to my place and mulled over what to do next. Upon said mulling, I decided what the hell, I'll have a crack at it myself.

I found a salvaged stator coil from an '05 SV650, and a salvaged Regulator/Rectifier from an '05 V-Strom. The total for both cost me maybe a little over $100. The actual job really wasn't bad, just took it slow and methodical. I had (still have) some concern, as neither component that I removed from my bike actually looked bad in any way but I also know electronics can go bad internally too so I might try to test them later at a separate point.

The little bit of riding with the bike went great, but I will have much more to do before I state it as a complete success!
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