NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
48 reports5,000 miles · Nov 29, 2008
Engine And Engine Cooling
AS I WAS RIDING DOWN THE ROAD AT APPROX. 50 MPH IN 5TH GEAR I NOTICED A DROP IN OIL PRESSURE AND A NOISE FROM THE ENGINE. I PULLED THE BIKE OVER TO THE SIDE OF THE ROAD AND SHUT IT DOWN. I WAITED FOR A WHILE AND RESTARTED IT. THE OIL PRESSURE SEEMED OK AND THE ENGINE WAS QUIET. THE SAME THING HAPPENED THREE TIMES BEFORE I GOT HO…
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AS I WAS RIDING DOWN THE ROAD AT APPROX. 50 MPH IN 5TH GEAR I NOTICED A DROP IN OIL PRESSURE AND A NOISE FROM THE ENGINE. I PULLED THE BIKE OVER TO THE SIDE OF THE ROAD AND SHUT IT DOWN. I WAITED FOR A WHILE AND RESTARTED IT. THE OIL PRESSURE SEEMED OK AND THE ENGINE WAS QUIET. THE SAME THING HAPPENED THREE TIMES BEFORE I GOT HOME. I CALLED MY LOCAL HARLEY DEALER AND THEY PICKED MY BIKE UP AND TOOK IT TO THEIR SHOP. AFTER THEY STRIPPED THE ENGINE DOWN AND CHECKED IT OUT THEY TOLD ME THE CRANKSHAFT RUNOUT WAS WAY BEYOND SPEC AND WAS STARTING TO WIPE OUT THE OIL PUMP. THE BIKE HAD 5,000 MILES ON IT. IT WAS BAD ENOUGH THAT HARLEY DAVIDSON DECIDED TO REPLACE THE COMPLETE ENGINE. I'VE HEARD THIS IS A PROBLEM WITH THE NEW 96 CUBIC INCH ENGINE. *TR
NHTSA ODI #10250125
5,195 miles · Sep 17, 2008
Vehicle Speed ControlCrashInjury
STARTED MY '07HARLEY DAVIDSON FLHTCU AND BACKED OUT OF PARKING STALL, BIKE WAS ALREADY IN 1ST GEAR, STARTED TO RELEASE THE CLUTCH TO MOVE THE BIKE WHEN THE ENGINE WENT TO FULL THROTTLE WITH NO INPUT FROM ME. THE BIKE LURCHED FORWARD SO I IMMEDIATELY TWISTED THE THROTTLE OFF AND APPLIED THE FRONT BRAKE BECAUSE I WAS HEADING FOR …
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STARTED MY '07HARLEY DAVIDSON FLHTCU AND BACKED OUT OF PARKING STALL, BIKE WAS ALREADY IN 1ST GEAR, STARTED TO RELEASE THE CLUTCH TO MOVE THE BIKE WHEN THE ENGINE WENT TO FULL THROTTLE WITH NO INPUT FROM ME. THE BIKE LURCHED FORWARD SO I IMMEDIATELY TWISTED THE THROTTLE OFF AND APPLIED THE FRONT BRAKE BECAUSE I WAS HEADING FOR A CURB. AGAIN THE ENGINE WENT TO FULL THROTTLE ON IT'S OWN. THE BRAKE HAD NO EFFECT SO BEFORE I HIT THE CURB I RELEASED THE BRAKE AND STRAIGHTENED THE BIKE SO I WOULD HIT THE CURB AT A RIGHT ANGLE AND WAS ABLE TO AVOID A TREE. THE BIKE FLEW ABOUT 4-5 FT AND LANDED ON GRASS. I TRIED TO REGAIN CONTROL OF THE BIKE BUT DESPITE MY EFFORTS THE ENGINE REMAINED WIDE OPEN. I PULLED IN THE CLUTCH BUT THE BIKE SWERVED IN THE SLIPPERY GRASS AND WENT DOWN ON IT'S LEFT SIDE. THE BIKE RIGHTED ITSELF AND KEPT GOING BUT FELL IMMEDIATELY AGAIN ON THE RIGHT SIDE. THIS SCENARIO REPEATED ITSELF ONE MORE TIME FALLING ON THE LEFT SIDE ONLY THIS TIME IT FELL MORE VIOLENTLY AND EJECTED ME INTO THE DIRT. AS I WAS LAYING THERE I HEARD MY MOTORCYCLE ROARING AND SAW THAT IT HAD FLIPPED OVER ON IT'S RIGHT SIDE ABOUT 30 FEET AWAY AND WAS LAYING PERFECTLY HORIZONTAL WITH THE REAR WHEEL SPINNING. THE BIKE WAS SLOWLY TWISTING ON THE GRASS FROM THE TORQUE OF THE ENGINE AND I HAD A MOMENT OF FEAR THINKING THAT IF THE WHEELS DUG IN AGAIN THERE'S NO TELLING WHICH DIRECTION IT WOULD GO AND I COULDN'T MOVE. I TRIED TO TWIST MY BODY AROUND TO PUT MY FEET TOWARDS THE BIKE AS MY ONLY DEFENSE BUT COULDN'T DO IT. FORTUNATELY, AFTER ABOUT 3 SECONDS, THE ENGINE QUIT. PEOPLE CAME TO MY AID IMMEDIATELY AND IN 15 MINUTES I WAS IN AN AMBULANCE. I SPENT TWO WEEKS IN THE HOSPITAL WITH 3 BROKEN VERTEBRAE, 1 BROKEN COLLAR BONE, 2 BROKEN SHOULDER BONES AND 6 BROKEN RIBS. THE BIKE IS IN MY GARAGE. I WON'T LET ANYBODY TOUCH IT UNTIL I GET AN INDEPENDENT MECHANIC TO EXAMINE IT. MY BEST GUESS IS A MALFUNCTION IN THE CRUISE CONTROL. IT TRIED TO "RESUME" SOME FORMER SPEED. *TR
NHTSA ODI #10242699
14,000 miles · Sep 14, 2008
Engine And Engine CoolingInjury
HEAT FROM THE REAR EXHAUST IS SO INTENSE THAT IT CAUSED BURNS TO MY WIFE WITH HER FEET ON THE PASSENGER FOOTBOARDS AS DESIGNED. CAUSED BURNS TO THE INSIDE OF MY RIGHT THIGH. *TR
NHTSA ODI #10242155
14,205 miles · Aug 4, 2008
Engine And Engine CoolingFuel System, Gasoline
2007 HARLEY-DAVIDSON TWIN CAM ENGINE HAS EXCESSIVE HEAT. WHENEVER AIR TEMPERATURE EXCEEDS 95 THE AIR COOLED ENGINE DOES NOT COOL PROPERLY. DUE TO EXCESSIVE HEAT FROM ENGINE, THE BACK OF MY LEGS ARE GETTING EXTREMELY HOT. IT IS DIFFICULT TO CONCENTRATE WHEN THIS HAPPENS. *TR
NHTSA ODI #10236886
7,000 miles · Jun 24, 2008
Power Train
TRANSMISSION WILL NOT SHIFT OUT OF 2ND GEAR (UP TO 3ED GEAR OR DOWN TO N) . TRANSMISSION WILL POP OUT OF 6YH GEAR BACK INTO 5TH GEAR AT HIGHWAY SPEEDS. AM AFRAID THE TRANSMISSION WILL LOCK UP CAUSING THE REAR WHEEL TO LOCK AND CAUSE AN ACCIDENT. *TR
NHTSA ODI #10232228
3,900 miles · Jun 20, 2008
Structure
TL*THE CONTACT OWNS A 2007 HARLEY DAVIDSON FLHTCU. WHILE THE CONTACT WAS RIDING APPROXIMATELY 25 MPH, WITH HIS SPOUSE ON THE BACK OF THE BIKE AND HER FOOT ON THE FOOT BOARD, THE FOOT BOARD DETACHED FROM THE BIKE AND FELL TO THE GROUND. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT A BOLT FELL OFF INSIDE THE FRAME. …
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TL*THE CONTACT OWNS A 2007 HARLEY DAVIDSON FLHTCU. WHILE THE CONTACT WAS RIDING APPROXIMATELY 25 MPH, WITH HIS SPOUSE ON THE BACK OF THE BIKE AND HER FOOT ON THE FOOT BOARD, THE FOOT BOARD DETACHED FROM THE BIKE AND FELL TO THE GROUND. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT A BOLT FELL OFF INSIDE THE FRAME. THERE WERE NO INJURIES. THE CURRENT MILEAGE WAS 4,624 AND FAILURE MILEAGE WAS 3,900.
NHTSA ODI #10231817
2,100 miles · May 6, 2008
Structure
TL*THE CONTACT OWNS A 2007 HARLEY DAVIDSON FLHTCU. WHILE DRIVING 65 MPH AND GREATER AROUND THE CORNERS, THE VEHICLE BEGAN TO WOBBLE FROM SIDE TO SIDE. AS A RESULT, THE CONTACT LOST CONTROL MOMENTARILY. THE VEHICLE STOPS WOBBLING ONCE THE VEHICLE SLOWS DOWN CONSIDERABLY. THE VEHICLE HAS BEEN DIAGNOSED BY THE DEALER, BUT THE F…
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TL*THE CONTACT OWNS A 2007 HARLEY DAVIDSON FLHTCU. WHILE DRIVING 65 MPH AND GREATER AROUND THE CORNERS, THE VEHICLE BEGAN TO WOBBLE FROM SIDE TO SIDE. AS A RESULT, THE CONTACT LOST CONTROL MOMENTARILY. THE VEHICLE STOPS WOBBLING ONCE THE VEHICLE SLOWS DOWN CONSIDERABLY. THE VEHICLE HAS BEEN DIAGNOSED BY THE DEALER, BUT THE FAILURE STILL EXISTS. THE CURRENT MILEAGE WAS 3,834 AND FAILURE MILEAGE WAS 2,100.
NHTSA ODI #10226833
1 miles · Apr 7, 2008
Engine And Engine Cooling
2007 FLHTCU HARLEY DAVIDSON RUNS SO HOT IT COOKS YOUR LEGS. DEALER SAYS THIS IS DUE TO FED EMISSION. *TR
NHTSA ODI #10223580
Mileage unknown · Nov 24, 2007
Engine And Engine Cooling
ENGINE RUNS EXCESSIVELY HOT ON THE REAR CYLINDER. TEMP. DIFFERENCE OF 100 DEGREES. *TR
NHTSA ODI #10209777
1,250 miles · Sep 10, 2007
Engine And Engine Cooling
HAD THIS '07 FLHTCU SINCE 04/07. THE HEAT COMING OFF THE ENGINE IS TOTALLY UNBEARABLE ABOVE 85 F. THE WIFE HAS HAD FIRST DEGREE BURNS TWICE NOW AS THE SUMMER HAS WORN ON. I'VE DONE ALL THE HD RECOMMENDATIONS, KEEPING WITHIN THE SUM TOTAL OF THE PARTS THAT CAME WITH THE ORIGINAL PURCHASE. I WILL NOT SPEND MORE MONEY WITH HD T…
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HAD THIS '07 FLHTCU SINCE 04/07. THE HEAT COMING OFF THE ENGINE IS TOTALLY UNBEARABLE ABOVE 85 F. THE WIFE HAS HAD FIRST DEGREE BURNS TWICE NOW AS THE SUMMER HAS WORN ON. I'VE DONE ALL THE HD RECOMMENDATIONS, KEEPING WITHIN THE SUM TOTAL OF THE PARTS THAT CAME WITH THE ORIGINAL PURCHASE. I WILL NOT SPEND MORE MONEY WITH HD TO CORRECT A DEFECTIVE PRODUCT. FROM ALL THE READING ON THE SUBJECT THAT HD HAS FORCED ME TO PURSUE ... IT CAN BE CORRECTED. I FIND IT ABSOLUTELY INCREDIBLE ALL MY CALLS TO HD AND THE CONTACTS WITH HD DEALERS HAVE JUST BEEN BLOWING ME OFF. MOST RECENTLY I WAS DOING 75 MPH ON AN INTERSTATE IN 85 F TEMP. AND THE ENGINE JUST TURNS OFF, VERY BAD ... I MANEUVERED OFF THE ROAD BETWEEN A COUPLE OF 18 WHEELERS, PRETTY DANGEROUS. AFTER 30 MIN. OF CHECKING EVERY THING I COULD, IT JUST STARTED. IT SEEMED TO BE RUNNING HOT, EVEN AT THAT SPEED; BACK TO A DEALER NEXT AND PROBABLY THE USUAL ... CAN'T FIND ANYTHING. SEEMS TO ME HD HAS A BIG RESPONSIBILITY HERE, VERY SAD THAT THEY WON'T SUPPORT THEIR CUSTOMER. AND, WHERE'S THE GOV'T.PEOPLE ?? *TR THE SYSTEM RELAY SWITCH FAILED WHICH WAS HEAT RELATED. THE DEALER SPECULATED THE LEFT SIDE MUFFLER CLAMP WAS LEAKING WHICH WAS BLOWING HOT EXHAUST NEAR THE FUSE BLOCK. UPDATED09/27/07. *JB
NHTSA ODI #10202455