HARLEY-DAVIDSON FXSTB
Pass rate over time
The FXSTB's first-time pass rate has risen 2.4 points since 2005, 86.7% to 89.1%.
Pass rate by mileage
A low-mileage FXSTB passes first time 88.2% of the time; by 50k that's 83.9%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a FXSTB
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
194 | 27.4 | 0.5× |
| brakes |
|
117 | 16.5 | 0.3× |
| lamps and reflectors |
|
94 | 13.3 | 0.7× |
| reg plates and vin |
|
68 | 9.6 | 1.6× |
| tyres and wheels |
|
58 | 8.2 | 0.4× |
| steering and suspension |
|
55 | 7.8 | 0.2× |
| fuel and exhaust |
|
50 | 7.1 | 1.0× |
| Identification of the vehicle |
|
28 | 3.9 | 2.0× |
| structure and attachments |
|
23 | 3.2 | 0.5× |
| tyres |
|
22 | 3.1 | 0.5× |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.
How rivals compare
On first-time pass rate the FXSTB beats 0 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON XL1200C).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the FXSTB.
Pass rate by registration year
Best year to buy used: 2004 (94.0% pass). Weakest: 1998 (85.3%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
HARLEY-DAVIDSON FXSTB FAQ
Is the HARLEY-DAVIDSON FXSTB reliable?
The HARLEY-DAVIDSON FXSTB is more reliable than average for its class: 87.2% of its 6,065 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1854 of 5426 models.
What does a FXSTB fail its MOT on most?
lighting and signalling — 27% of all defects recorded against failed FXSTB tests.
What is the best year of FXSTB to buy used?
By first-time pass rate, 2004-registered examples do best (94.0%) and 1998 worst (85.3%). Condition and history still trump the year.
How many miles will a FXSTB last?
The median FXSTB shows 15,768 miles at test, and examples around 50k miles still pass 83.9% of the time — mileage alone rarely kills one.