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Feb 15th, 2005, 07:21 AM
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#1 | | Rookie 10+ posts
Join Date: Apr 2004
Posts: 37
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Does anyone have an idea what gas mileage will be on, say, a Softtail 88TCB after a Stage 1 upgrade, vs stock? Average mileage right now is 51 mpg. With Vance & Hines pipes, Ness Big Sucker and a rejet, what am I looking at? I'm figurig it will run richer to some extent, so I would expect some loss in fuel economy - certainly a reasonable trade-off for better performance. | 
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Feb 15th, 2005, 08:09 AM
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#2 | | Has posted 500+
Join Date: Apr 2004
Posts: 596
| done right it shouldn't be much different..assuming you ride your bike the same way. It may be set up a little richer but then the bike makes more power so you won't be twisting the right grip as much to make the bike go like it did before ..buuuuuuuttttt yyou may just find that you may be stretching the throttle cables a bit more because it's "funner" and that's a whole 'nother story. | |
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Feb 15th, 2005, 09:27 AM
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#3 | | Moderator Has posted 500+
Join Date: Jun 2004 Location: San Antonio, TX
Posts: 1,048 Model: 2004 E Glide Standard, Stage 1. Interests: Riding, fishing, hunting, camping, spending time with wife and daughter Occupation: Air Force Nurse
| I am running fuel injection not carb...... I have sampson rolled thunder, ness big sucker, and power commander.....I went from 43-45mpg to about 35mpg. I am hoping to put her up on a dyno this year and have the maps tweeked and gain some extra power AND maybe a couple MPG in the process...not sure yet! Good luck!! | |
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Feb 15th, 2005, 03:43 PM
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#4 | | 200+ posts and climbing
Join Date: Mar 2004 Location: Ohio
Posts: 371 Model: 02 wide glide Interests: harleys-jack daniels-that "one thing" Occupation: trying to make a living
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stage one with slip ons...went on a trip from OH to Georgia and it was right at 50mpg at 70plus..the thing is you don't have to use as much throttle so long as you ride it the same way. It was noticeable right away on longer trips the right hand had a habit of wanting to twist as usual and I realized it was not necessary with the power increased. Now there was one tank.... it was around 45 mpg but we we won't talk about that tank of gas  I have had the same results with all the HDs I've had. More power and ride it the same equals less effort on the bike...IMHO  then there is that other tank riding stlye  | |
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Feb 15th, 2005, 09:03 PM
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#5 | | Administrator Has posted 500+
Join Date: Mar 2004 Location: Tucson AZ
Posts: 1,528 Interests: Fishing, wood working, flipping off Fred Fox Occupation: Founder of Bike Talk....retired and lovin' it
| Sleepy, SK, Sounds like a classic case of 'wristwistitis' to me! | |
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Feb 16th, 2005, 07:05 AM
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#6 | | Has posted 500+
Join Date: Apr 2004
Posts: 596
| yep..funny how that works out...  | |
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Feb 19th, 2005, 10:04 AM
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#7 | | Has posted 500+
Join Date: Mar 2004 Location: Las Vegas, NV
Posts: 780 Model: 2004 Yamaha FJR1300 Interests: riding... Occupation: RN
| Yeah..some things never change.
I put a PowerCommander on my FJR in hopes that enrichening some might make the engine run slightly cooler (the heat of the Las Vegas Summer last year had my temp gauge showing a little higher than I'd ever seen it before). Kept the stock pipes as I hate loud pipes now. The engine heat though? That's not really a big concern with a water-cooled engine, even if it does have 145 ponies. What I've noticed that I really like is it's not peaky anymore at the throttle..much smoother delivery of power. My mileage did drop from about 46mpg to 43-44mpg while cruising a steady 80mph on the highway. I don't ride it any harder than before, but I'll take the smoothness it's given me. With a 6.6 gallon tank..a couple of mpg ain't nothing to worry about. | |
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Feb 22nd, 2005, 08:48 AM
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#8 | | More than 100 posts!
Join Date: Jun 2004 Location: Las Vegas
Posts: 102 Occupation: Manufacturing
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DaveFxst,
Before I put the stage 1 upgrades (V&H BigShots, Ness big sucker, PCIII), on my '03 Heritage I was getting about 41 mpg. But, that was during the "break-in" period, and I was ridin' her very gently. After the stage 1 install I am now getting 38 mpg. However, after the Stage 1, I've been ridin' her normally (not so gentle), so I can't say for sure that I'm getting lower mileage than before the stage 1. Perhaps if I rode nice and easy like I did during the break-in period, I'd get better mileage. But if better mileage was my main concern, I'd be riding a Honda scooter
The faster the machine goes, the thirstier it seems to get.
SISK There's a fine line between genius and insanity - Cross it once and a while!! | |
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Feb 23rd, 2005, 11:58 AM
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#9 | | Has posted 500+
Join Date: Jun 2004
Posts: 1,795
| The ability of the bike to get better or similar mileage is based on the combo of parts and the tune. A bad or wrong map can dump fuel or make you too lean.
Also your wrist action has a big effect. LOL | |
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Mar 23rd, 2005, 01:01 PM
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#10 | | Rookie 10+ posts
Join Date: Mar 2005 Location: Aurora, CO
Posts: 11 Interests: Harleys, 3 of them ! Occupation: Police Commander
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I have a 2003 FLSTCI with Vance and Hines Big Shots Long (Quiet Baffles), a Screaming Eagle Air Filter and the Stage-I Download with an SE Race Tuner. I had tons of Popping problems even after the dyno...the mileage went from a solid 51 to 43-45. I would not recommend the Stage-I. On my 05 Ultra, I went with V&H pipes and a Power Commander....much easier and the performance issues simply did not become an issue. Ditch the HD Stage I and go with the PC.
Jack | |
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Mar 24th, 2005, 04:12 AM
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#11 | | Rookie 10+ posts
Join Date: Oct 2004 Location: Huntsville, AL
Posts: 41 Interests: work too much for hobbies Occupation: Mechanical Engineer
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My 05 FLSTNI : PCIII, SE Air Cleaner, Stage 1 ECU, V&H Drag Pipes w/ baffles and torque cones, custom dyno-tuned map.
Just got back from Bike Week and got an average of 47mpg going to Daytonna and coming from Daytonna. However, while in Daytonna I got about 25mpg  It's funny how every traffic light felt like a race track christmas tree when we got around all those bikes.
-RCR | |
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