HARLEY-DAVIDSON FXDB 103 STREET BOB 1690 17
Pass rate over time
The FXDB 103 STREET BOB 1690 17's first-time pass rate has fallen 11.6 points since 2020, 92.1% to 80.5%.
Pass rate by mileage
A low-mileage FXDB 103 STREET BOB 1690 17 passes first time 86.9% of the time; by 20k that's 77.3%.
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 103 STREET BOB 1690 17
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lamps and reflectors |
|
29 | 40.8 | 1.8× |
| brakes |
|
9 | 12.7 | 0.2× |
| structure and attachments |
|
8 | 11.3 | 1.4× |
| steering |
|
7 | 9.9 | 1.7× |
| suspension |
|
5 | 7 | 0.7× |
| tyres |
|
5 | 7 | 0.9× |
| Identification of the vehicle |
|
4 | 5.6 | 1.6× |
| audible warning (Horn) |
|
3 | 4.2 | 2.0× |
| wheels |
|
1 | 1.4 | 2.0× |
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 103 STREET BOB 1690 17 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 103 STREET BOB 1690 17.
Pass rate by registration year
Best year to buy used: 2017 (86.9% pass). Weakest: 2016 (83.8%).
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 103 STREET BOB 1690 17 FAQ
Is the HARLEY-DAVIDSON FXDB 103 STREET BOB 1690 17 reliable?
The HARLEY-DAVIDSON FXDB 103 STREET BOB 1690 17 is about average for its class: 86.5% of its 825 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2050 of 5426 models.
What does a FXDB 103 STREET BOB 1690 17 fail its MOT on most?
lamps and reflectors — 41% of all defects recorded against failed FXDB 103 STREET BOB 1690 17 tests.
How many miles will a FXDB 103 STREET BOB 1690 17 last?
The median FXDB 103 STREET BOB 1690 17 shows 7,185 miles at test, and examples around 20k miles still pass 77.3% of the time — mileage alone rarely kills one.