High Altitude Riding - Bike STALLED once when back at sea, is this to be expected?
Yesterday I rode up to 7,200 feet on a mountain pass and we stayed at said altitude of 7,200 feet for about 45 minutes. We went from sea level to 7,200 feet in about 1 hour. Going up, the bike functioned great as she always does.
After said 45 minutes at 7,200 feet, we commenced the way down to sea level. It took about one hour to get to sea level. At about 20 minutes into the ride, which was about 5,200 feet at sea level, the bike started to backfire. It wasn't anything bad nor loud, and I actually thought it sounded bad*ss for a change of how well-behaved the stock pipes sound. I just can't imagine what they'll sound when I get the Big Shots installed next week (insert Santa's laugh: HO HO HO!).
So, all the way down to sea level, the pipes must have backfired only 5-8 times. We get to sea level, mess around for some 20 minutes at sea level and then, out of a sudden when I come to a stop, the bike dies as soon as I stop. I didn't stall the bike, I just did my usual, so it surprised me the bike died on me suddenly.
The bike only died ONCE when we were at sea level or at any time through our little mountain-pass trip yesterday. This bike is flawless and runs flawless, and it has NEVER died on me. Not once until now. This got me thinking if this was just a mere coincidence or if the high-altitude trip we took could be responsible for this.
I should say one thing that I noticed as soon as we got to sea level. The bike seemed to ride really good, I'm talking "too" good and the bike already rides great ALL in stock. I'm not joking when I say I felt in tune with the bike and the bike was tracking curves like a queen and the throttle and transmission was too perfect.
I noticed the improvement in handling before the bike stalling occurred. I'm usually skeptic of subjective feelings but I really noticed a change for the even better as soon as we were at sea level.
1) So, is it to be expected that the bike stalls suddenly at a stop when coming down from a high-altitude pass? I read of a couple of people experiencing the same.
2) Anyone suggest a reason why the bike ran so well subjectively and why I was really in tune with the bike? I think it's because our trip was all steep bends and curves and I was riding with gear and with my girlfriend too. But perhaps it's because at one point the A/F mixture was in harmony instead of being lean (but then, this happened 20 minutes after being back at sea level so surely I was back to the stock LEAN mixture, right?)
When I got down to sea level, the curves and bends on the road were easier and I was used to riding the nasty curves of the mountain pass, so perhaps riding from technical roads to easier roads made for this phenomenon. Riding where I live is a constant Devil's Tail, I kid you not!
Tsukayu VTX hard bags & Tour trunk, Saddlemen touring seat with backrest, NC custom windshield, Risers, LED lightbar, Engine guard LED lights, Cobra fatty guard, Rear engine guards, Fender rail guard, Leather tank bib, Passenger floorboards, 12v socket, ISO grips WITH bar weights, Engine chrome, Triple tree cover, Shaft cover, Fenders chrome, Progressive forks & 12.5 inch shocks, All Balls mod, Chrome clock, Adjustable trunk rack
Last edited by EuroDude; 02-14-2017 at 04:14 AM.