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General V-Strom Discussion Talk about all things V-Strom not limited to just one of the above models

 
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post #1 of 9 Old 12-27-2012, 09:08 AM Thread Starter
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I recently read of a DL650 rider that had one cylinder die. Luckily he was on a road that had some traffic and he was able to hire a truck to carry his bike "home". This made me wonder if, in a situation where this happens in a remote area with no cell phone coverage or passing traffic, could we remove a spark plug, unplug the fuel injector on the dead cylinder, and ride the bike out on the remaining good cylinder.
Has anyone here been in such a situation, took those steps, and rode out?
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post #2 of 9 Old 12-27-2012, 09:15 AM
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in the wee hours of morning I was about 100 miles into a ride with a mate, I was on my Vee and he was on a SV650 when he lost 1 cylinder (turned out to be the coil pac) he rode all the way back to his house (100 miles) with his SV325, no damage, he did change is oil afterward assuming some of the unburnt fuel made it past the rings and did not pull the plug, just rode home

running it with a plug out will make it sound like ya don't have a muffler

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post #3 of 9 Old 12-27-2012, 09:25 AM
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I'm no wrench, but wouldn't you "want to" keep the sparkplug seated in it's cap even tho removed........let it "spark away" into the atmosphere?? I remember a feller took two pistons + rods + spark plugs out of a Honda Car engine trying to see what it would do for gas milage running on two cylinders (this was waaaaaaaaaaay back, many years ago, during the "Gas Crunch"). It ran..........for awhile.........ended up burning up the coil since the electrical "spark" had no where to go and the coil overheated. Could a bike coil do the same??????? Just wondering.............
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post #4 of 9 Old 12-27-2012, 09:32 AM
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With spark plug in then the dead cylinder is just a big air spring delivering back almost as much energy (less overlap) as the compression stroke takes

Some POORLY design economy EPA BS engines can deliberately shut off cylinders
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post #5 of 9 Old 12-27-2012, 09:44 AM
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Quote:
It ran..........for awhile.........ended up burning up the coil since the electrical "spark" had no where to go and the coil overheated. Could a bike coil do the same??????? Just wondering.............
Don't know about that 'cause sparky things are not my specialty, but it seems like that potential problem could be avoided by using a piece of wire to ground the plug to the engine block, just as it would be in normal use.

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post #6 of 9 Old 12-27-2012, 10:31 AM
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Originally Posted by richw View Post
With spark plug in then the dead cylinder is just a big air spring delivering back almost as much energy (less overlap) as the compression stroke takes
Maybe so, and I wouldn't want a bunch of unfiltered air entering my cylinder adding to my woes.

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post #7 of 9 Old 12-27-2012, 03:00 PM Thread Starter
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Originally Posted by randyo View Post
he rode all the way back to his house (100 miles) with his SV325, no damage, did not pull the plug, just rode home
Was this a first and second gear kind of trip or did he have sufficient power to pull hills in a higher gear?
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post #8 of 9 Old 12-27-2012, 07:35 PM
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Was this a first and second gear kind of trip or did he have sufficient power to pull hills in a higher gear?
can't say for sure as I continued on with the ride. it was very early morning, we were headed on a day ride from the NH/ME border to the NY (Essex County, Illion Gorge & more ) he did ride to the next exit about 12 miles with me so he could look at the bike in better light at a gas station rather than the led head lamp he was wearing in the side of the road. He was able to maintain highway speeds (60+mph) for the most part

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post #9 of 9 Old 12-27-2012, 08:52 PM Thread Starter
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Thanks, good to know.
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