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24th May 2010
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Biker
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Join Date: Apr 2010
Posts: 9 Sportster/Buell Model: 1200 Custom (Wife's) Sportster/Buell Year: 2004 Sportster/Buell Model #2: 883 (Wifes) Sportster/Buell Year #2: 2002 Other Motorcycle Model: FLHTCSE (Mine) Other Motorcycle Year: 2004
Reputation: 10
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Inaccurate speedometer
Just got an '04 1200 custom a few weeks ago and just now found out that the speedometer is off about 5 miles per hour. Only about 4000 miles on the bike. Any thoughts???
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24th May 2010
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Senior Master Bolter Oner
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Join Date: Oct 2006
Location: Pottstown, PA
Posts: 7,171 Sportster/Buell Model: XL883C Sportster/Buell Year: 2005 Other Motorcycle Model: Royal Enfield C5 Military Other Motorcycle Year: 2012
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Mine indicates 65 when I'm doing 61 (confirmed by other bikes and my GPS) I'm just living with it. Figure it can't hurt me.
'05 883 C
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24th May 2010
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Chief Know It All
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Join Date: Feb 2009
Posts: 409 Sportster/Buell Model: XL1200C Sportster/Buell Year: 2007
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They're all inaccurate... in your car, bike, truck... none perfect. Usually they have a sweet spot where they are most accurate and then fall off after that.
I wouldn't sweat it.
__________________
---insert satirical commentary here---
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24th May 2010
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Chief Know It All
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Join Date: Jul 2007
Location: the backwoods of N. Pa
Posts: 400 Sportster/Buell Model: xl1200c Sportster/Buell Year: 2005 Other Motorcycle Model: Ducati Monster Other Motorcycle Year: 1995
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That's alot closer than my speedometer. They are only required to be within 5 mph but mine is closer to 10 mph off at highway speeds.
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24th May 2010
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Chief Master Mechanic
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Join Date: May 2007
Location: Eagle Point, Oregon
Posts: 478 Sportster/Buell Model: 883 Custom Sportster/Buell Year: 2005
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The '04 and '05 models were notorious for this problem. Some of it can be cured with the current ECM flash, but it still won't be perfect. What brought mine back to accurate was putting a 130 tire on the rear in place of the 150, but mine was only off by 2% after the re-flash.
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2005 883 Custom, 16" apes, Arlen Ness Big Sucker, w/EVO 8" round cover, National Cycle light bar, Mustang Wide Studded Solo Seat and Pillion, Khromewerks 2" drag pipe slip-ons, Cycle Visions 30" sissy bar, 3" tank lift, HB125XL Hydraulic Primary Chain Tensioner. Riding is my life. Blinging is just a hobby.
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24th May 2010
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XL FORUM TEAM MEMBER
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Join Date: Jul 2009
Location: Falcon, CO 7240 ft above sea level
Posts: 387 Sportster/Buell Model: Nightster Sportster/Buell Year: 2008
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3 mph fast on my 2009, confirmed with GPS and Road side radar trailers.
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"For those who care, I do not"
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24th May 2010
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Senior Chief Master Mechanic 1st Class
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Join Date: Dec 2004
Location: The oven called Tucson
Posts: 1,290 Sportster/Buell Model: 883C Sportster/Buell Year: 2005
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The same problem exists for the 2005s. There is an ECM reflash available through the dealer. There was no charge to have it done when I first heard about it in early 2005. I don't know if they would charge for it at this late date. Since the 2004s and 2005s are almost identical I would assume that the same problem exists with the 2004s.
I never bothered to have mine done, I just know that it reads about 10% fast and shows 10% more miles than actually have been covered.
Talk with a local dealer, maybe it will be fixed free.
.
__________________
Honest, I don't know either of the women, and the midget was on fire when I got here.
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24th May 2010
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Senior Chief Know It All 1st Class
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Join Date: Mar 2005
Location: Near Chicago, IL
Posts: 1,144
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The speedo re flash is also supposed to correct a timing issue.
SEMJPM
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24th May 2010
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Custom Bike Builder
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Join Date: Aug 2005
Location: Singapore
Posts: 2,340 Sportster/Buell Model: XL1200R Sportster/Buell Year: 2005 Other Motorcycle Model: Suzuki GSX750ESG Other Motorcycle Year: 1989
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Mine says I'm doing 220kmh while sitting still - the speedo died some time back.
But most speedo's are not accurate, or I should say they are built to indicate within an accepted error range, usually calibrated to read higher than actual to prevent you accidentally speeding. 10% higher than actual is typical.
Cheers,
Brett
__________________
'05 XL1200R - Pearl Yella
Motor: N4 cams, Python 2-1, Mikuni HSR42, RamFlo 400, TC88A Ignition
Handling/Comfort: Mustang Daytripper, Progressive 418HD's, Progressive fork springs, floating brake rotors, fork brace, 1200S bars
Aesthetics: chin spoiler, bikini fairing, front signal relocation
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24th May 2010
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JESTER Mafia-Hooligan Div
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Join Date: Sep 2005
Location: West Central Indiana
Posts: 9,445 Sportster/Buell Model: 1200 R Sportster/Buell Year: 2005
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That's almost exactly what mine is off........as verified by my gps.
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Stuff: YES
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