| Author | Message | ||
     Spatten1 |
OK- I've been struggling in the mountains because at 8k feet and higher my bike runs like dog crap in open loop. Horrible power. I finally found a road at 8k feet where I could run steady state 3,000 rpm for a few miles. It is like a new bike. For some reason during normal transitional riding my ECM would not adjust to altitude for open loop. The steady state ride definitely did it. The difference in roll on is night and day. Like I went from a moped to a.......XB9. Happy days are here again. (Message edited by spatten1 on April 15, 2007) | ||
| Ft_bstrd |
Now if I could just get my bike to 8,000 feet.  | ||
| Dtx |
Spatten, I have ridden in Colorado before and experienced the delay it takes for the ECM to learn the atmosphere. Once it does, it runs like a bat outta hell. In fact, I think the bike practically runs better/stronger at higher elevations. YMMV. | ||
| Old_man |
If the air is cold it helps give power. When I ride in the cold weather the bike seems supercharged. | ||
| Cityxslicker |
here I thought you were going to tell me to get a power to weight ratio by cutting down on my beer and pizza intake | ||
| Corporatemonkey |
Question, I might be visiting Colorado on my bike this summer, is this something I am going to experience, or will the bike adjust on the way up. Something about a heavily load bike, lack of power, and steep grades gives me the heebies. | ||
| Teeps |
As I understand the operation, the ECM needs to see a "Steady State" cruise condition 3k RPM to 3.5k RPM, with no or little change in TPS input, in order to recalibrate or learn the ambient conditions. | ||
| Spiderman |
All you did was reset the AFV (Adaptive Fuel Value) Helps in most situations where the bike is running ruff. | ||
| Elf |
Corporatemonkey, Hey, When are you thinking about coming? Sounds like a meet-up and a canyon blast or 2 will be necessary! Are you going to be "jus' passin' thru", or is CO. the destination? I don't think you'll have too much problem if you ride the bike here. It will adapt gradually along the way. It's when when you tote it here from lower elevations the thin air becomes a problem. No adaptation time. I had problems with my '89 Hawk and my '85 S-10 in this respect. I trailered them both when I moved here. The Hawk needed a re-jet, and the truck needed a little time to adapt. | ||
| Tx05xb12s |
I'm planning a trip to The Springs in August to see my sister. I'll be pulling a small trailer behind the Buell with my camping gear, but would love to drop it off and take a ride with you CO guys. Shoot me a PM if you feel like it. | ||
| Moondust |
How do you reset the AVF ? is this a dealer/workshop thing or can we mortals do it in the garage ? | ||
| Spiderman |
the simplest way is to ride your bike at 60 mph in 4th gear for a a minuet or two | ||
| Xbeau12s |
or 3rd gear at 55 and 3500 RPM. I live at approximately 6000 feet above and I "learned" it that way and also I brought my bike in for the TPS reset and they also adjusted my AFV to 100% and that made a huge difference. I think my idle should be lower though because it kind of takes a while to drop sometimes and I've heard this fixes that problem (lowering the idle to about 1000) | ||
| Spatten1 |
the simplest way is to ride your bike at 60 mph in 4th gear for a a minuet or two or 3rd gear at 55 and 3500 RPM. So do you need to find a road where you can do a steady state ride at each new elevation? What I'm reading is that if you keep riding hard in the mountains, on and off the throttle, the ECM will not adjust to new altitudes. It that correct? | ||
| Corporatemonkey |
Elf, I haven't decided if CO is in this years trip. I probably will be, but I don't have any firm plans. I will travel until the credit card gives out... I do know I am doing a short trip to Montana this summer (anyone want to join?) The parks department is getting serious about closing the "going to the sun road" to outside traffic. I have to ride it before they close it. I figure I could do it in a couple of days. |
