Question about 2008 Triumph Triumph Scrambler
This is long, but I don't want to leave anything that might be pertinent out. My 2007 Scrambler (bought new at the end of July, just rolled over 1900 miles) keeps dying when it's run at high speed for more than about ten or fifteen minutes. High here means anything over about 40 mph. It may do it at low speed too, but it's very difficult to find somewhere to run at a constant 30 mph for ten minutes without having to stop or speed up, so I don't know. When it dies, it feels like it's run out of gas. It will lose power, then surge, then cut in and out until it dies completely. If I haul in the clutch, it's sure to die, but if I give it some throttle, it'll sometimes come back to life (basically from a push-start) for another minute or two. Occasionally, one cylinder will miss and the other will fire, but I can't tell whether the same one consistently goes out first, and the other is sure to follow anyway. Regardless of any of that, once it starts to cut out, I know I'm going to be on the shoulder shortly. Once I come to a stop, sometimes it'll start right back up, and sometimes it'll take a couple of minutes before it's ready to start again. The starter always engages, but the motor doesn't always catch immediately. It eventually will though (or at least it has so far). It's been doing this for the last 300 miles whenever I get it on the highway. It's quite polite around town and doesn't seem to act up. The first thing I thought (after I realized that I wasn't just running out of gas) was that it might be bad gas. Emptied and flushed the tank. Ran the carbs dry. Refilled the tank. No luck. After that, I figured it must have been that I was putting weight on the seat and that was messing with the ignition box under the seat. (I think I read a thread on that, but of course I can't find it now.) It now happens regardless of whether there's any weight on the back of the seat. From there, I figured bad electrical connection, so I detached, checked, and reattached all of the electrical connectors and fuses. No luck. At that point, I was almost out of options, but I started riding with my knees farther away from the tank in case I was impeding airflow and overheating something under there. Still no luck. Today, after riding fifteen miles into a fifty mile ride, having it die, riding nine more miles, having it die again, having it die twice in the next eight miles, and then every mile and a half to five miles all the way back, I'm kind of out of ideas. The kickstand switch is the only remaining thing that's obvious to me, but it seems like the bike would behave differently if that were causing the motor to cut out. What really gets me though is that I've tried to find any specific conditions that make it happen and I can't. I could be going uphill or downhill, accelerating or decelerating, turning or going straight, leaning down over the bars or sitting straight up, at high RPMs in a lower gear or low RPMs in a higher gear, riding aggressively or riding calmly, fully-loaded or solo... none of it seems to consistently affect how long before it starts to die or how long between instances of it dying. What also really gets me is that I couldn't make it 30 miles today before major headaches set in (it probably died 30 times in 50 miles today), and I've definitely put over 100 miles on it in a day taking shorter trips around town without a problem. My thought is that I may have damaged the ignition module the first time it happened, and that the continued problems are a result of that. If I could be sure that replacing it would fix the problems, I'd probably just eat the cost and do it myself, and then I'd find some way to armor it so that this doesn't happen again. The only reason I don't is that I have most of two years of warranty on this motorcycle, and if it's not that, I want to at least try to get Triumph to pay for figuring out and fixing whatever is going wrong. The closest competent dealer is almost 100 miles away in Norfolk, VA, though, and since the bike doesn't like to run on the highway, that's going to be a problem. Again, if I could be sure, I'd just take care of it, but since my apartment complex isn't much a fan of vehicle maintenance in the parking lot, I don't want to get into that unless I'm completely sure, and I definitely don't want to start paying someone else to randomly check into everything that could be going wrong. any ideas? Has anyone else run into anything like this? Any suggestions?
Uel filter or blocked tank vent (try dif fuel cap if possible)? Bypass the sidestand switch, as some peeps do have problems with them, just to test it. If all else fails see if the dealer does a pick-up service or get some-one with a truck to give you and bike a lift to dealer.
Posted on Nov 10, 2008
I have encountered similar symptoms on only one other triump however that was a daytona & after all the same frustrating searching you have done ichanged the ignition module which solved the problem for my customer for about six mths at wich time the beast started to cook stator coils I promptly removed both the stator & voltage regulator had the stator rewound and the reg thoroughly checked by only rewinders I trust to do any of the work required on the machines I restore like your reputeable dealer hes a two hour run from me.All the same I would still try riding it withthe cap left slightly open if you find that this allows you to complete a run of more than 50 mls remove the cap & useing a drill bit only slightly biger than the exsisting vent hole open up the vent dont over do it thoug you dont to be having a fuel shower every tim you crank it into a bend
Posted on Feb 27, 2010
I would go with blocked tank vent. Try running with the fuel cap not closed all the way and see if the problem is still there.
Posted on Jun 30, 2009
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