LOSS OF OIL PRESSURE, POWER, AND ENGINE FAILURE AT HIGHWAY SPEED DUE TO OIL SUMP AND FAILURE OF OIL PUMP. VEHICLE WAS TRAVELING AT HIGHWAY SPEED ON RESTRICTED ACCESS ROAD.
- NHTSA ID
- 11412987
- Incident
- Apr 18, 2021
- Mileage
- 10,022 mi
Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Our database holds 4 NHTSA owner-reported complaints for the 2018 Harley-Davidson Flhtk. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Showing 1–4 of 4
LOSS OF OIL PRESSURE, POWER, AND ENGINE FAILURE AT HIGHWAY SPEED DUE TO OIL SUMP AND FAILURE OF OIL PUMP. VEHICLE WAS TRAVELING AT HIGHWAY SPEED ON RESTRICTED ACCESS ROAD.
TIRE DEVELOPED SLICING IN THE TREAD HAVE HAD MULTIPLE HARLEY DEALERS TELL ME THEY HAVE SEEN THIS PROBLEM
WHEN SLOWING FOR A STOP THE ENGINE WILL STALL WHEN THE CLUTCH LEVER IS PULLED IN. THE BIKE MUST BE SWITCHED OFF THEN BACK ON AND RESTARTED. THIS IS AN INTERMITTENT PROBLEM THAT THE DEALER COULD NOT REPRODUCE. HOWEVER, A LITTLE RESEARCH ON INTERNET SHOWS A LOT OF OWNERS WITH THE NEW MILWAUKEE 8 ENGINE ARE HAVING THIS ISSUE.
HEAD BOLT BROKE ON FRONT CYLINDER OF ENGINE CAUSING HEAD GASKET TO FAIL, WHICH LED TO OIL LEAK FROM HEAD GASKET. THIS LED TO ENGINE OIL BEING LEAKED ONTO SIDE OF MOTORCYCLE AS WELL AS ON PASSENGER BOOTS AND ONTO REAR TIRE. THIS OCCURRED WHILE VEHICL WAS TRAVELLING ON HIGHWAY WITH ENGINE AT OPERATING TEMPERATURE .WASINFORMED BY HARLEY MASTER TECH THAT THEY HAD SEEN THIS ON NUMEROUS OCCASIONS
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.
Data on this page last refreshed .