HARLEY-DAVIDSON FXDBI DYNA STREET BOB

1449cc Petrol Class 2

#1478 of 5426 overall #247 of 397 HARLEY-DAVIDSONs #295 of 465 cruiser bikes

88.4%

first-time pass rate

4.6%

failed outright

11,284

median miles at test

1,357

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2025

The FXDBI DYNA STREET BOB's first-time pass rate has risen 2.4 points since 2009, 85.8% to 88.2%.

Pass rate by mileage

how the FXDBI DYNA STREET BOB's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXDBI DYNA STREET BOB passes first time 89.6% of the time; by 40k that's 85.7%.

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 FXDBI DYNA STREET BOB

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	33	27	0.4×
lamps and reflectors	22	18	0.7×
reg plates and vin	16	13.1	1.5×
fuel and exhaust	14	11.5	1.2×
brakes	11	9	0.1×
steering and suspension	8	6.6	0.2×
Identification of the vehicle	5	4.1	1.6×
structure and attachments	5	4.1	0.4×
tyres	5	4.1	0.4×
tyres and wheels	3	2.5	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 FXDBI DYNA STREET BOB beats 0 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 FXDBI DYNA STREET BOB.

Pass rate by registration year

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

Best year to buy used: 2006 (89.5% pass). Weakest: 2005 (82.0%).

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 FXDBI DYNA STREET BOB FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FXDBI DYNA STREET BOB reliable?

The HARLEY-DAVIDSON FXDBI DYNA STREET BOB is more reliable than average for its class: 88.4% of its 1,357 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1478 of 5426 models.

What does a FXDBI DYNA STREET BOB fail its MOT on most?

lighting and signalling — 27% of all defects recorded against failed FXDBI DYNA STREET BOB tests.

How many miles will a FXDBI DYNA STREET BOB last?

The median FXDBI DYNA STREET BOB shows 11,284 miles at test, and examples around 40k miles still pass 85.7% of the time — mileage alone rarely kills one.