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EnginePart report

2008 Harley-Davidson Flhtcu Engine Problems

Complaints
3about this part
Share
4%of 81 total for the year
Median mileage
35,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2008 Harley-Davidson Flhtcu, 4% of the 81 complaints for this model year. Where a mileage was given, the median is 35,000 miles. 1 a fire, according to the filers.

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.

“The contact owns a 2008 harley davidson Flhtcu. The contact attempted to start the vehicle but flames were coming from the carburetor. The contact attempted to restart the vehicle and the failure recurred. The contact was able to drive the vehicle to the dealer to be inspected; however, they would not address the cause of failure. The vehicle was not repaired. The manufacturer was notified and stated they would replace the compensator assembly at his expense. The failure mileage was 70,000.”

NHTSA complaint #10488104, filed 2012-12, 70,000 miles

“The contact owns a 2008 harley davidson flhtcui. The contact stated that the vehicle stalled without warning. The failure occurred on several occasions. The vehicle was taken to a dealer where it was diagnosed that the o-ring and the fuel filter needed to be replaced. The vehicle was repaired but the failure was not rectified. The manufacturer was made aware of the failure and stated that the VIN was not included in NHTSA campaign id number: 08v357000 (fuel system, gasoline). The failure mileage was 35,000 and the current mileage 45,000.”

NHTSA complaint #10595171, filed 2014-05, 35,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2013114%
2010413%
200969%
200834%
200724%

Other parts of the 2008 Harley-Davidson Flhtcu

Brakes
36 complaints
Fuel system
12 complaints
Transmission and drivetrain
9 complaints
Electrical system
6 complaints
Engine cooling
6 complaints
Vehicle speed control
4 complaints
Other or unknown
3 complaints
Suspension
3 complaints
Tires
3 complaints
Wheels
3 complaints
Steering
2 complaints
Body and structure
2 complaints

← All problems reported for the 2008 Harley-Davidson Flhtcu

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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