Power Vision Information Thread
Road Captain
Joined: Nov 2012
Posts: 569
Likes: 0
From: USA
Are you seeing the >5% changes in the same cells or just hitting different parts of the map? Looks like you're getting close,but I'd try to broaden the range of cells you're hitting a bit more and possible do a run or two with a little longer collection time. A view of the VE graph itself would be good just to see how consistent you're VE's are across the entire range. Looking for sharp peaks or valleys
Extreme HDF Member
Joined: Aug 2012
Posts: 11,392
Likes: 184
From: Big ol Titties
Forget about the AFR table for now. It seems like you're just confusing yourself. Set it up at 14.6 and go do some tuning runs. You aren't concerned about the AFR table settings, what you need to be looking at is getting your VE's and timing dialed in. Once you get the VE's within a percent or two then start working on your timing tables. Once you get timing squared away ( bring it up until it starts to ping and then back off 2 degrees, some like 3) go back and make 2 more VE runs. You should be dialed in pretty good at that point. Now you can play around with the AFR table. Messing with the AFR table before you have your VE's and Timing right is just wasting time. If your VE's aren't right your AFR won't be right so don't bother with them until your dialed in. And yes, if your CLB's are higher than 450 your AFR's will be richer also.
Road Captain
Joined: Jun 2006
Posts: 580
Likes: 0
From: Colorado
You guys need to stop basing things on the way the graph looks. The graph means nothing! It's only a PICTURE instead of numbers. If Log Tuner is showing that the VE's are within a couple of percent change FORGET the graph. If the VE's are dialed in to less than a couple percent change leave it alone. There's no need or reason to smooth anything out or try to make a pretty graph. All that does ruin a good tune. If the bike consistently says I WANT THIS, then leave it alone. If the graph has a spike or a valley you have 2 options. Leave it as it is, as that's what the engine is saying it wants. Or start looking at EGR changes, which is an animal with different spots. Just because a less than 2% tune has a spike or a divot does not mean there's anything wrong. All it means is that's what the bike wants. Forget the graph!
Last edited by ColoSpgsMark; Feb 4, 2013 at 06:54 AM.
Outstanding HDF Member
Joined: Nov 2012
Posts: 2,291
Likes: 11
From: The Whale's Vagina
Some areas are good to go, some need work. You have some low RPM areas that definitely need work. Depending on your exhaust it may never come as close to where you want to be. How the sensors are reading makes all the difference, but you don't have much control over that unless you want to get picky and follow the Bosch guidance to a tee. Anyway, I still think you will get the lower RPM's to dial in. Just get on a deserted street and stay in those areas. Start at just off idle, stay there for 20 seconds...raise the rpm's 200 or so...stay there for 20 seconds...again and again. Then do the same in 2nd gear....rinse and repeat. 3rd gear...rinse and repeat. Don't be afraid to wring it out. It will sound like it's revving way beyond your comfort level but don't back down. Just don't be dumb and get yourself hurt, use a little common sense doing this. The key is to repeat the same strategy on every tuning run. I run the same route with flats and hills. I run through each gear...staying in each RPM area 20 seconds. then I run the same route 2 or 3 times on each tuning run. On the hills I drag the brake a little and SLOWLY bring the RPM's up in stages staying there as long as possible (without burning up the brakes of course). If your bike is good running order, meaning no exhaust or intake leaks you should get these VE's to within 2 or 3%. Some of your areas are way outside 5% which tells you to gas up and make some more runs.
Road Captain
Joined: Jan 2013
Posts: 524
Likes: 0
From: Kansas City
I have been reading this post for a few days...great info, thanks. I bought my PV 3 weeks ago, got the map from FM and the before and after were great, I still need to do the AT 3 to 4 times...maybe more to get it right. My question is... is the temperature an issue? This week we should have some "good" weather 55-60, so Im planning on doing my first AT, but here in Kansas City we get all the temperature range, last weeks was 8, this week 60 and in a few months 90-100. Do I need to AT all the time? or the map will have all the info necessary regardless the temperature.
Thanks.
Thanks.
Outstanding HDF Member
Joined: May 2008
Posts: 2,543
Likes: 19
From: Ashland Ohio
What you want to do is try to do tuning runs above 60*. Also, if you do timing runs, make sure that is above 60* also. Then in summer, use the temp correction table to fix any ping issues and not the spark tables them selves. That way, timing is good for both cooler weather and hot weather.
Yes, the bike compensates for all kinds of temps, but for AT, best between 60 and 85 degrees or so. You will NOT have to have AT in use once bike is properly tuned.
Yes, the bike compensates for all kinds of temps, but for AT, best between 60 and 85 degrees or so. You will NOT have to have AT in use once bike is properly tuned.
Road Captain
Joined: Jun 2006
Posts: 580
Likes: 0
From: Colorado
What you want to do is try to do tuning runs above 60*. Also, if you do timing runs, make sure that is above 60* also. Then in summer, use the temp correction table to fix any ping issues and not the spark tables them selves. That way, timing is good for both cooler weather and hot weather.
Yes, the bike compensates for all kinds of temps, but for AT, best between 60 and 85 degrees or so. You will NOT have to have AT in use once bike is properly tuned.
Yes, the bike compensates for all kinds of temps, but for AT, best between 60 and 85 degrees or so. You will NOT have to have AT in use once bike is properly tuned.
Road Captain
Joined: Jan 2013
Posts: 524
Likes: 0
From: Kansas City
Cool, thank you for the advise...lets hope this Wednesday is 60 to AT, I bought this bike 4 weeks ago and only had a chance to ride it 3 times.
One more thing..timing runs?? sorry Im new to PV and motorcycles in general...but now I can't wait to ride.
One more thing..timing runs?? sorry Im new to PV and motorcycles in general...but now I can't wait to ride.
HD Forum Stories
The Best of Harley-Davidson for Lifelong Riders
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Verdad Gallardo
8 Best Harley-Davidson Motorcycles Ever
Pouria Savadkouei
10 Worst Harley-Davidson Motorcycles Ever
Pouria Savadkouei
Killer Custom's Jail Break Is The Breakout That Refused to Blend In
Verdad Gallardo
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Verdad Gallardo
Harley-Davidson Reveals Super Cool Cafe Racer Concept
Verdad Gallardo
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Verdad Gallardo
10 Motorcycles You Should Never Buy
Joe Kucinski
10 Things Harley-Davidson Needs to Fix in 2026
Verdad Gallardo
I'm Jealous.. still winter and 3 months to go so i can try the revised Basic Auto tune for PV.... is there a written procedure anywhere ? Been reading threads but it's so LONG...
Elite HDF Member
Joined: Sep 2012
Posts: 3,791
Likes: 57
From: N Texas
If you have been drilling through this thread but need the new good stuff, go to the Dyna Jet web site - Power Vision then Downloads and get The Autotune Instructions. I would not even spend too much time reading all the old posts prior to when Autotune came out, just start there.