2012 Harley-Davidson Flhx Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 13%of 16 total for the year
- Median mileage
- 28,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2012 Harley-Davidson Flhx, 13% of the 16 complaints for this model year. Where a mileage was given, the median is 28,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While traveling at speed limit I attempted to exit highway 101 southbound in novato california. Upon braking and downshifting I realized the entire foot shifter was missing. The vehicle was in sixth fear and I had to initiate emergency braking to avoid losing control of the bike on the exit ramp. The bike was then stuck in sixth gear and could not be driven further. …”
NHTSA complaint #10735887, filed 2015-07, 28,000 miles“Have a heel to toe shifter... Friend from a major harley dealer looked over the bike and noticed the shifter arm has slipped away from the transmission, so it slides up and down the splined shaft from the transmission making it loose and could fall off...have seen recalls for this but not for my VIN!?”
NHTSA complaint #10979112, filed 2017-04Related service bulletins
- 11014014Jan 24, 2025SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft…
- 11005514Jul 10, 2024GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1158: OIL FILTER PACKAGING AND CASE QUANTITY UPDATE. PURPOSE: To inform dealerships that Harley-Davidson has made updates to…
- 10254115Apr 4, 2024SERVICE BULLETIN M1612 (REV A): MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: Revision. Update: Notes for Table 3 and 4. * Updated: Part Numbers. This bulletin…
- 10248398Dec 4, 2023SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: ⢠Twin Cam gear packs on CVO, Dyna, Police…
- 10248397Dec 4, 2023SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: ⢠Twin Cam gear packs on CVO, Dyna, Police…
- 10139399Apr 27, 2018TECH ARTICLE TA0023: TA0023: Crankshaft Rod Bearing. Purpose: Technicians have been falsely identifying connecting rod bearings as failed due to a perception of resistance as the…
Transmission and drivetrain: other model years
Other parts of the 2012 Harley-Davidson Flhx
8 complaintsTires
2 complaintsElectrical system
1 complaintsEngine
1 complaintsBody and structure
1 complaintsWheels
1 complaints
← All problems reported for the 2012 Harley-Davidson Flhx
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology