HARLEY-DAVIDSON FXDB STREET BOB 1584 12

1585cc Petrol Class 2

#1180 of 5426 overall #189 of 397 HARLEY-DAVIDSONs #229 of 465 cruiser bikes

89.3%

first-time pass rate

4.3%

failed outright

8,016

median miles at test

587

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2025

The FXDB STREET BOB 1584 12's first-time pass rate has risen 9.6 points since 2015, 88.0% to 97.6%.

Pass rate by mileage

how the FXDB STREET BOB 1584 12's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXDB STREET BOB 1584 12 passes first time 90.7% of the time; by 20k that's 82.2%.

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 12

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	10	29.4	0.3×
suspension	4	11.8	0.9×
lamps and reflectors	4	11.8	0.4×
steering	3	8.8	1.2×
fuel and exhaust	3	8.8	0.7×
brakes	3	8.8	0.1×
tyres	2	5.9	0.5×
reg plates and vin	2	5.9	0.6×
Identification of the vehicle	2	5.9	1.5×
steering and suspension	1	2.9	0.1×

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

same type, similar capacity, high test volume

On first-time pass rate the FXDB STREET BOB 1584 12 beats 3 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON XL1200C).

HARLEY-DAVIDSON FLSTF 88.9% pass · 30.1k tests HARLEY-DAVIDSON FLSTC 89.4% pass · 23.7k tests HARLEY-DAVIDSON XL1200C 88.4% pass · 15.7k tests HARLEY-DAVIDSON FXDWG 88.7% pass · 14.6k tests

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 12.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2011 (93.3% pass). Weakest: 2012 (88.7%).

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 12 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FXDB STREET BOB 1584 12 reliable?

The HARLEY-DAVIDSON FXDB STREET BOB 1584 12 is more reliable than average for its class: 89.3% of its 587 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1180 of 5426 models.

What does a FXDB STREET BOB 1584 12 fail its MOT on most?

lighting and signalling — 29% of all defects recorded against failed FXDB STREET BOB 1584 12 tests.

How many miles will a FXDB STREET BOB 1584 12 last?

The median FXDB STREET BOB 1584 12 shows 8,016 miles at test, and examples around 20k miles still pass 82.2% of the time — mileage alone rarely kills one.