HARLEY-DAVIDSON FXDB STREET BOB 1584 10
Pass rate over time
The FXDB STREET BOB 1584 10's first-time pass rate has fallen 6.9 points since 2013, 88.7% to 81.8%.
Pass rate by mileage
A low-mileage FXDB STREET BOB 1584 10 passes first time 87.6% of the time; by 30k that's 87.1%.
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 FXDB STREET BOB 1584 10
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
14 | 33.3 | 0.4× |
| brakes |
|
8 | 19 | 0.3× |
| steering and suspension |
|
5 | 11.9 | 0.3× |
| reg plates and vin |
|
4 | 9.5 | 1.3× |
| fuel and exhaust |
|
3 | 7.1 | 0.7× |
| lamps and reflectors |
|
3 | 7.1 | 0.2× |
| tyres and wheels |
|
2 | 4.8 | 0.2× |
| steering |
|
1 | 2.4 | 0.4× |
| Identification of the vehicle |
|
1 | 2.4 | 0.8× |
| structure and attachments |
|
1 | 2.4 | 0.3× |
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 FXDB STREET BOB 1584 10 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 FXDB STREET BOB 1584 10.
Pass rate by registration year
Best year to buy used: 2010 (88.2% pass). Weakest: 2010 (88.2%).
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 FXDB STREET BOB 1584 10 FAQ
Is the HARLEY-DAVIDSON FXDB STREET BOB 1584 10 reliable?
The HARLEY-DAVIDSON FXDB STREET BOB 1584 10 is more reliable than average for its class: 87.9% of its 544 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1639 of 5426 models.
What does a FXDB STREET BOB 1584 10 fail its MOT on most?
lighting and signalling — 33% of all defects recorded against failed FXDB STREET BOB 1584 10 tests.
How many miles will a FXDB STREET BOB 1584 10 last?
The median FXDB STREET BOB 1584 10 shows 9,878 miles at test, and examples around 30k miles still pass 87.1% of the time — mileage alone rarely kills one.