Ok, I'm going to put this out there. On my Harley V-Rod I now have 80k miles. In that time I've had 11 sets of tires and have had rope type plugs in 8 rears.
All but 1 successfully and run them till the tread was gone with no issues or leakage.
There's only 1 that failed and that's because the puncture wasn't a hole but a gash. Long story but several years back the wife and I rode up to NC, Bryson City for a 4th July weekend, got a motel room and made daily rides out of it. On Sunday morning, the actual July 4 holiday we set out from the hotel heading for the Dragon's Tail and hadn't gone but a few miles when the bike started to feel squirrely. I pulled over and noticed the rear was going down quickly. A mile ahead was a gas station so I rode it to there and pulled in. Apparently on NC highways they use a metal bracket to hold down lane reflectors, the brackets have ears on them and I must have run over one that was sticking up.
Got out my trusty plug kit and it took 2 to adequately fill the gash. I borrowed some Windex spray from the cashier to check for leaking air after filling it up and found no leakage.
So it's a Sunday, a National Holiday what do I do, how likely am I to find a odd size tire and get it installed to save our weekend or do I call my neighbor in north metro ATL and ask him to drive up and haul me back. I figured if there was anywhere that would know of a place to get a tire it would be the Dragon Store so the wife and got back on our bikes and started off on the 15-20 odd miles along Lake Fontana towards the store.
About 10-12 miles along the journey the bike started getting wiggly again and we pulled over at a scenic lake side rest stop and sure enough the tire had spit out both plugs. I got on my wife's bike and rode on the the store while she waited on a bench in the shade at the rest stop.
As you can imagine the store was packed with about 20 people in the check out line to buy shirts and stuff, I barged up to the front and asked the cashier if there was a bike shop around that might be open. She told me about Wheelers in Robbinsville and that was a free local use pay phone out in the parking lot with a list of phone numbers for local services. I found their number, called, they were open and they had a tire the correct size and that they were only doing tire changes that day.
I also saw a number for a tow service, rang it, told the guy about where my bike was and he said that he'd meet me there so I rode back and in a short time a guy with a van and trailer pulled up, we loaded up, I hopped in, the wife followed and he took us to WHeelers.
It happened to be the anniversary of their opening and they had some guys playing guitars and another guy was grilling free burgers and dogs while you waited. About an hour later we were fed, I had a new tire mounted, we finished our planned day trip and made it back to the hotel.
it was still a kick start and it handled like a proper Triumph. 
