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Transmission and drivetrainPart report

2011 Harley-Davidson Flhtk Transmission and drivetrain Problems

Complaints
2about this part
Share
10%of 20 total for the year
Median mileage
29,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the transmission and drivetrain of the 2011 Harley-Davidson Flhtk, 10% of the 20 complaints for this model year. Where a mileage was given, the median is 29,000 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.

“I had just pulled out onto the highway in high traffic area and my motorcycle started producing a clanking noise from the primary case and after doing extensive research, come to the conclusion that the primary compensator was failing. At the time this happened, my cycle also dropped voltage from 14.8 volts dc down to 8 or 9 volts dc and caused the cycle to bog, and lost mechanical power on a hill with high traffic from both directions on a heavily trafficked main u.s. Highway. …”

NHTSA complaint #11316186, filed 2020-03, 48,000 miles

“The contact owns a 2011 harley davidson ultra glide limited (na). The contact stated that while operating the motorcycle at various speeds, the compensator sprocket attached to the crankshaft rattled and vibrated. The motorcycle was taken to the dealer, who diagnosed that the failure was caused by a loose bolt from the sprocket. The compensator sprocket was replaced but, approximately 10,000 miles later, the failure recurred. The motorcycle was repaired, but the failure recurred a third time approximately 10,000 miles later, which damaged the crankshaft. …”

NHTSA complaint #10691157, filed 2015-02, 10,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2017675%
2015110%
2014719%
2013214%
201215%
2011210%
2010414%

Other parts of the 2011 Harley-Davidson Flhtk

Brakes
13 complaintsWheels
2 complaintsElectrical system
1 complaintsElectronic stability control
1 complaintsEngine
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSteering
1 complaintsBody and structure
1 complaintsSuspension
1 complaints

← All problems reported for the 2011 Harley-Davidson Flhtk

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