Exhaust Control Valve - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL1000A - 2014-2016 DL1000A - 2014-2016 (L4-L6)

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post #1 of 32 Old 10-17-2018, 06:22 PM Thread Starter
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Exhaust Control Valve

I was reading some guy's blog about the DL1000 600-mile service and he noted that the Exhaust Control Valve is part of this inspection and he says the valve should cycle when you turn the ignition on.

I only have an Owner's Manual so far but don't see any Exhaust Control Valve listed in the Maintenance Chart for any maintenance interval and mine doesn't do anything when I turn on the ignition.

2015 - Hangar Queen hence just hitting the 600-mile mark.

Any thoughts/info about the 'ol Exhaust Control Valve here? Should it cycle/move when I turn on the ignition?

Thanks for any insight!
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post #2 of 32 Old 10-17-2018, 07:08 PM
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Don't know and never even thought about it. Others may have a better answer.

BUT if it for some reason does not work I would bet you it will give you an error code. So worry less and drive the bike more.
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post #3 of 32 Old 10-17-2018, 07:19 PM
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I have 123,000 km on my 2009 vee, did the valves twice and never read about the exhaust control valve. I have the repair manual from Suzuki and it never mentioned it.

Make certain that they are not talking about the 650 model. Happened to me once while trying to repair my water pump - parts did not match my manual - was accidentally reading up on the 650 and not the 1000.

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post #4 of 32 Old 10-17-2018, 07:22 PM
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I can tell you for a fact that the exhaust valve in my '14 DL1K will cycle when the key is placed in the "ON" position IF the side stand is up. I just watched it cycle in my garage.
The valve has an integral sensor that relays the valve's position to the ECU.
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post #5 of 32 Old 10-17-2018, 07:25 PM
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There is a small butterfly valve built into the exhaust right before the muffler. Has two cables and a small protective piece sticking out of the pipe just a few inches before the muffler clamp. The check over most likely includes proper adjustment of cable slack, and some lube on the return spring.

Should cycle along with fuel pump when turned on. Hopefully this image comes through properly.
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post #6 of 32 Old 10-17-2018, 07:29 PM
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Quote:
Originally Posted by blaustrom View Post
Don't know and never even thought about it. Others may have a better answer.

BUT if it for some reason does not work I would bet you it will give you an error code. So worry less and drive the bike more.
Yes not only will it give a code but if it needs replacing it is many hundreds of dollars (at least in Canada) to replace.

Mine stopped working back in April when I had just short of 115,000 km/71,000 miles. for long convoluted reasons my dealership (which is actually very good) didn't have their diagnostic machine until late August and at that time confirmed that it was the motor for the exhaust valve. I had it replaced at around 149,400 km or around 92,000 miles.

Apart from the annoyance of the display blinking and not being able to select the top display (ie mileage, trip 1 or trip 2) and the bike reverting to fail-safe ICU programming I really had no issues.

..Tom

My Opinion:
Vee or V= DL1000 before 2014
Vee2 or V2 = DL1000 2015 to 2019
Vee3 or V3 = DL1050 2020 to?

My Stroms:
2006 DL650: 202,000 km 125,500 miles, Sold
2012 DL650 139,500+ km, 86,700+ miles. Sold
2015 DL1000 New July 2015 205,000+ km, 127,000+ miles.

This can help preventing from cars pulling out in front of you (SMIDSY)
SMIDSY detailed report.


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post #7 of 32 Old 10-17-2018, 07:31 PM
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Quote:
Originally Posted by Hard miles View Post
I have 123,000 km on my 2009 vee, did the valves twice and never read about the exhaust control valve. I have the repair manual from Suzuki and it never mentioned it.

Make certain that they are not talking about the 650 model. Happened to me once while trying to repair my water pump - parts did not match my manual - was accidentally reading up on the 650 and not the 1000.
DL1000's before 2014 did not have the exhaust valve. (BTW I don't know about the 2017+ DL650 but no DL650 before that had the exhaust valve either.)

..Tom
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My Opinion:
Vee or V= DL1000 before 2014
Vee2 or V2 = DL1000 2015 to 2019
Vee3 or V3 = DL1050 2020 to?

My Stroms:
2006 DL650: 202,000 km 125,500 miles, Sold
2012 DL650 139,500+ km, 86,700+ miles. Sold
2015 DL1000 New July 2015 205,000+ km, 127,000+ miles.

This can help preventing from cars pulling out in front of you (SMIDSY)
SMIDSY detailed report.


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post #8 of 32 Old 10-17-2018, 07:32 PM
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I just checked my 2015. From right side of bike under throttle looking back at exhaust valve, turn key on, just after fuel pump cycles, the exhaust valve turns CCW about 45. Pauses, then returns CW to its closed position.

I had the ECU recall/replaced and have 13,000 miles now with no issues.

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post #9 of 32 Old 10-17-2018, 07:33 PM Thread Starter
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Quote:
Originally Posted by MAZ4ME View Post
I can tell you for a fact that the exhaust valve in my '14 DL1K will cycle when the key is placed in the "ON" position IF the side stand is up. I just watched it cycle in my garage.
The valve has an integral sensor that relays the valve's position to the ECU.
Never even thought of trying it with the side stand up and will try it just for the hell of it, but aside from that I guess I'll just forget it's even there.

Thanks for the replies, all!
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post #10 of 32 Old 10-17-2018, 07:43 PM
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I saw a 'Strom at a moto show not too long ago and I noticed the newest models (not sure if it Vee or Wee or both) and they have a control valve in the exhaust pipe between the headers and the muffler. I assumed it is to control emissions and possibly improve driveability or modify the torque curve (dual role similar to the throttle bodies with the secondary throttle plates). I also thought what a maintenance nightmare. I'm guessing this control valve is going to be a chronic headache going forward and that riders will find a way to bypass it. Nothing stuck in the middle of the exhaust flow (EGR, turbos, etc) ever works for very long because of the extreme conditions.

FYI: Exhaust valves and servo motors explained

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