2006 Harley-Davidson Flhtcui Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2006 Harley-Davidson Flhtcui, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes741.2%
- Engine317.6%
- Tires & wheels211.8%
- Electrical15.9%
- Driver assistance15.9%
- Fuel system15.9%
- Exterior lighting15.9%
- Body & structure15.9%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
Rear brakes. Can place rider in extreme danger it the event of a crash when losing rear brakes due to a hole in the brake line caused by friction against the clutch cable in factory routing of the line and cable. I called Harley Davidson customer service to see is I could get help to resolve my issue due the fact that this issue is the same basic problem as the current Recall Number: The campaign number is 26V234000, with Harley-Davidson's internal recall number XXX. Harley Davidson denied my request for help. While researching repair parts on the web, I discovered the current recall as noted above. I also read (on the web) that many others have experienced the same issue. There were no warnings other than a soft pedal. A Harley Davidson Dealer video attached also outlines this issue, as it is the exact problem I have. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
MY 2006 HARLEY DAVIDSON ULTRA CLASSIC FRONT BRAKE LINE FAILED. THE MOTORCYCLE HAS 8,2XX MILES. I SQUEEZED THE FRONT BRAKE LEVER AS I WAS STARTING THE BIKE AND FELT THE LEVER FULLY DEPRESS. I SAW BRAKE FLUID SQUIRT ON THE BIKE AND ONTO MY LEG. MY MECHANIC SAYS HE HAS HEARD OF THIS PROBLEM FROM OTHER MECHANICS. I AM THE ORIGINAL OWNER. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
FAILURE HAS NOT OCCURED ON MY BIKE HOWEVER NUMEROUS REPORTS FROM OTHERS AND DEALER RECOMMENDATION TO HAVE CAM CHAIN TENSIONERS CHECKED BECAUSE AS I WAS TOLD, IT IS NOT A QUESTION OF WHETHER BUT WHEN THEY WILL FAIL. FAILURE RESULTS IN IMMEDIATE LOSS OF POWER WHICH UNDER HIGHWAY CONDITIONS, FOR EXAMPLE WOULD LEAD TO DECELERATION, AS IN PASSING OR MERGING ONTO A FREEWAY. CONSEQUENTLY, PROBABILITY IS HIGH THAT COLLISION WILL OCCUR RESULTING IN DEATH OR SEVERE INJURY TO THE RIDER. THUS IT APPEARS TO BE A SAFETY ISSUE BUT IT IS NOT BEING ADDRESSED AS SUCH AND UNLESS AN OWNER OF A TWIN CAM 88 BIKE IS AWARE OF THE POTENTIAL FOR DISASTER, THE DEALERS NOR THE HOME OFFICE HAVE NOTIFIED HARLEY OWNERS TO MY KNOWLEDGE. THIS HAS BEEN A KNOWN DIFFICULTY FOR SEVERAL YEARS AND IF YOU ARE FORTUNATE TO HAVE AVOIDED A CRASH AND GOTTEN YOUR BIKE TO A DEALER FOR UPGRADED TENSIONERS IT STILL REMAINS THAT WE OWNERS HAVE BEEN LEFT HANGING WITHOUT INFORMATION UNLESS WE CALL AND THEN ARE SADDLED WITH A HIGH COST TO REPAIR WHAT IS A MANUFACTURERS DEFECT KNOWN TO THE MANUFACTURER. AS FAILURE HAS NOT OCCURED I HAD TO SUBMIT NUMBERS IN REQUIRED FIELDS IN ORDER TO GET THE COMPLAINT STATED. I APPOLOGIZE FOR THE DISPARITY BUT WANT YOU TO BE INFORMED. I INTEND TO CONTACT THE COMPANY AND REQUEST SATISFACTION FOR MYSELF AND OTHER RIDER/OWNERS BEFORE DEATHS OCCUR. SOME MAY HAVE ALREADY BUT BEEN FILED AS UNKOWN CAUSE OR RIDER ERROR OR SOME OTHER FICTION. *TR
INNER CAM BEARING FAILED ON MY 2006 HARLEY DAVIDSON ULTRA CLASSIC. THE MOTOR HAD TO BE COMPLETELY REBUILT INCLUDING NEW BEARINGS, OIL PUMP, CAMSHAFTS. CAM COVER AND ALL GASKETS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
I AM WRITING ABOUT A BRAND NEW DUNLOP D402 MU85B16 SW TIRE I BOUGHT FOR MY 2006 (HARLEY DAVIDSON) FLHTCUI IN PREPARATION FOR A NEARLY 3700 MILE ROAD TRIP. THE TRIP WENT JUST FINE, FOR ABOUT THE FIRST 450 MILES. AT THAT POINT THE TIRE, WHICH HAD LESS THAN 500 MILES TOTAL USE, SELF- DESTRUCTIVE. THE TIRE TREAD SEPARATED FROM THE INNER CORE ( PHOTOGRAPHS CAN BE PROVIDED). THE RUBBER TREAD ?FLAPPING? AGAINST THE WIRING HARNESS UNDER THE REAR FENDER ENTIRELY SEVERED THE WIRING. BY SEVERING THE WIRING HARNESS, OF COURSE, THE TAIL LIGHTS, BRAKE LIGHTS AND INSTRUMENT PANEL (SPEEDOMETER, TACHOMETER AND ODOMETER) WERE DISABLED. THE DUNLOP TIRE REPRESENTATIVE WOULD NOT ACCEPT ANY RESPONSIBILITY SINCE WE DID NOT SHIP THE TIRE TO THEM TO DETERMINE IF THE FAILURE WAS DUE TO MATERIAL AND/OR WORKMANSHIP. I AM WOULD LIKE TO KNOW IF THERE IS ANY RECOURSE FOR BUYING A TIRE THAT SELF-DESTRUCTS. WE ARE FORTUNATE THAT THE TIRE DID NOT BLOW OUT WHEN THE TREAD SEPARATED. CONSIDERING THE TREAD SEPARATION OCCURRED ON AN INTERSTATE HIGHWAY, THE CONSEQUENCES OF A BLOWOUT COULD HAVE BEEN SEVERE INJURY OR DEATH TO EITHER MYSELF, MY WIFE (WHO WAS A PASSENGER), OR BOTH. *JB
THE CONSUMER LOST CONTROL OF HIS 2006 HARLEY DAVIDSON ULTRA CLASSIC WHEN THE REAR TIRE WENT FLAT. THE VEHICLE BEGAN TO FISHTAIL AND CRASHED INTO A CONCRETE WALL. *TS THE VEHICLE'S LEFT HEADLIGHT, LEFT FRONT PEGS, SEAT, LEFT DRY BOX, LEFT SIDE AND HANDLE BAR WERE DAMAGED. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
2006 HARLEY DAVIDSON. CONSUMER WRITES IN REGARDS TO INCORRECT MILEAGE ON MOTORCYCLE. *LD *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
MOTORCYCLE ELECTRONIC SPEEDOMETER AND TACHOMETER LOST POWER (NEEDLES TO ZERO). FOUND THAT BRAKE LIGHTS, TURN SIGNALS, AND EMERGENCY FLASHER LIGHTS WERE ALSO A NONFUNCTIONAL, LEAVING ME UNABLE TO RENDER ANY OF THE STANDARD WARNINGS OF STOPS, TURNS OR TROUBLE.*AK HD MECHANICS BELIEVE THAT THE FAILURE WAS THE SPEEDOMETER AND SAY THAT THE FAILURE IMPACTS THE LIGHTS AS THE TURN SIGNALS' AUTO SHUTOFF IS INTEGRATED WITH THE SPEEDOMETER. I THINK THAT THIS DESIGN IS FAULTY DO TO THE LACK OF REDUNDENCY OR SEPARATENESS IN THE CIRCUIT WHICH ALLOWS A SINGLE FAILURE TO WIPE OUT ALL SAFETY AND LEGALLY REQUIRED LIGHTS HD IS REPLACING SPEEDOMETER IN HOPES OF REMEDIATING ELECTRICAL FAILURES.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
MOTOR STUMBLES, COUGHS, DIES FOR NO REASON. MOTORCYCLE DIES WHEN TURNING AND FALL OVER ON MY LEG CAUSING INJURY. HARLEY DAVIDSON DEALER SAYS CANT FIND PROBLEM. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
MOTORCYCLE ELECTRONIC SPEEDOMETER AND TACHOMETER LOST POWER (NEEDLES TO ZERO). FOUND THAT BRAKE LIGHTS, TURN SIGNALS, AND EMERGENCY FLASHER LIGHTS WERE ALSO A NONFUNCTIONAL, LEAVING ME UNABLE TO RENDER ANY OF THE STANDARD WARNINGS OF STOPS, TURNS OR TROUBLE.*AK HD MECHANICS BELIEVE THAT THE FAILURE WAS THE SPEEDOMETER AND SAY THAT THE FAILURE IMPACTS THE LIGHTS AS THE TURN SIGNALS' AUTO SHUTOFF IS INTEGRATED WITH THE SPEEDOMETER. I THINK THAT THIS DESIGN IS FAULTY DO TO THE LACK OF REDUNDENCY OR SEPARATENESS IN THE CIRCUIT WHICH ALLOWS A SINGLE FAILURE TO WIPE OUT ALL SAFETY AND LEGALLY REQUIRED LIGHTS HD IS REPLACING SPEEDOMETER IN HOPES OF REMEDIATING ELECTRICAL FAILURES.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
2006 HARLEY DAVIDSON FLHTCUI. BROKEN UPPER FAIRING MOUNTS. FAILURE OF THESE MOUNTS (BREAKING AT ONE OR BOTH ENDS ON BOTH LEFT AND RIGHT SIDE OF INNER FAIRING) RESULTS IN CATASTROPHIC VIBRATION CAUSING LOSS OF CONTROL. I HAVE JUST EXPERIENCED THIS PERSONALLY AND I CAN ATTEST THAT HUNDREDS OF OTHERS INVOLVING SEVERAL OTHER YEAR MODELS HAVE BEEN REPORTED IN ONLINE HARLEY DAVIDSON WEBSITES. HARLEY DAVIDSON CORPORATE ADMITS TO NO MANUFACTURING FAULT, YET IT HAS REDESIGNED THESE MOUNTS AND NOW EMPLOYS A MUCH HEAVIER VERSION FOR LATER YEARS. THIS FAIRING MOUNT FAILURE IS PRESENT ON ANY HARLEY DAVIDSON MODEL INCORPORATING A FAIRING. I DO NOT KNOW WHAT YEAR HD WENT TO THE STRONGER MOUNTS BUT HD HAS NEVER OFFERED REPLACEMENTS TO THOSE WITH A KNOWN PROBLEM. I BELIEVE I CAN FAIRLY SAY THAT ALL FAIRING EQUIPPED HD MODELS USING THE OLD-STYLE MOUNTS HAVE HAD FAIRING MOUNTS BREAK. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .