Running the 650 as a single cylinder? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 14 Old 11-07-2013, 06:19 PM Thread Starter
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Running the 650 as a single cylinder?

Has anyone ever experienced a fuel injection or ignition failure on one cylinder?
Would the engine even hold an idle?
Will codes stored in the ECU clear once you repair the problem?

I have an idea where I'd intentionally want to run the V-Strom as a single cylinder 325 for a very short period. I'd want to kill both the ignition AND fuel injector to one cylinder.

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post #2 of 14 Old 11-07-2013, 07:00 PM
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All you have to do is unplug the electrical connection to a fuel injector. You could disconnect a coil too but a wasted spark isn't going to do anything. I'm not sure whether it would idle with hands off the throttle. Once reconnected, the FI would disappear but a code would be stored as a former problem. A Suzuki SDS tool or HealTech OBD tool would be needed to read or clear the old code(s).

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
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Last edited by greywolf; 11-07-2013 at 07:35 PM. Reason: Specify electrical.
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post #3 of 14 Old 11-07-2013, 07:21 PM
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unplug

you mean unplug the electrical cable to the injector, not the fuel rail, correct?
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post #4 of 14 Old 11-07-2013, 07:34 PM
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Quote:
Originally Posted by kiwi_outdoors View Post
you mean unplug the electrical cable to the injector, not the fuel rail, correct?
Right. It's way easier to prevent the injector from opening than to plug the fuel line. Just disconnecting the fuel line will spray fuel all over.

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
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post #5 of 14 Old 11-07-2013, 08:48 PM
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I bet it will run as smooth as that Enfield I test rode. Wunnerful!
The again it do have a lot of balanced reciprocating mass. Might just be down on power.
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post #6 of 14 Old 11-07-2013, 09:21 PM Thread Starter
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Quote:
Originally Posted by notacop View Post
I bet it will run as smooth as that Enfield I test rode. Wunnerful!
The again it do have a lot of balanced reciprocating mass. Might just be down on power.
Not trying to run it anywhere... Just idling stationary and not even for that long. 5-10 minutes at the most.

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post #7 of 14 Old 11-08-2013, 06:03 PM
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I have a tire inflator that plugs into a spark plug hole. I've had my beemer pump up a tire. It's lumpy but a well tuned engine can run on one cylinder.
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post #8 of 14 Old 11-08-2013, 06:04 PM
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I had a Heritage Softtail running on one cylinder briefly. It barely was able to get around. I'd imagine most twins would be the same.
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post #9 of 14 Old 11-08-2013, 08:44 PM Thread Starter
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Quote:
Originally Posted by notacop View Post
I have a tire inflator that plugs into a spark plug hole. I've had my beemer pump up a tire. It's lumpy but a well tuned engine can run on one cylinder.
Shhh.

Yep, that was my idea.

I was looking for a small air pump to keep under the seat, since... you know... you can't carry a spare or very easily change it out on a motorcycle.

Then, I realized that I already have an air pump on the bike.
When talking about improving engine efficiency, everyone always says improve intake and exhaust to make it breathe better... Everyone always says that an engine is a big air pump.

Figure, all I need is either the adapter off of a compression tester or an old spark plug drilled out, a check valve, a pressure relief valve, and a short length of air hose with an air chuck on the end. Shouldn't be much larger than the stock tool kit all curled up.

I just don't want to pump gasoline into the tire, hence I want to kill the injector.

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post #10 of 14 Old 11-08-2013, 10:22 PM
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I don't know that I would do that. Airing up a tire cant be that hard - even by hand
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