HARLEY-DAVIDSON FXDF FAT BOB 1584 10

1585cc Petrol Class 2

#1541 of 5426 overall #260 of 397 HARLEY-DAVIDSONs #310 of 465 cruiser bikes

88.2%

first-time pass rate

3.5%

failed outright

11,449

median miles at test

796

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2025

The FXDF FAT BOB 1584 10's first-time pass rate has risen 2.6 points since 2013, 90.1% to 92.7%.

Pass rate by mileage

how the FXDF FAT BOB 1584 10's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXDF FAT BOB 1584 10 passes first time 88.1% of the time; by 30k that's 88.6%.

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 FXDF FAT BOB 1584 10

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	8	22.2	0.5×
lighting and signalling	6	16.7	0.2×
reg plates and vin	6	16.7	0.7×
Identification of the vehicle	3	8.3	1.6×
brakes	3	8.3	0.1×
tyres and wheels	3	8.3	0.2×
steering	2	5.6	0.6×
steering and suspension	2	5.6	0.1×
tyres	2	5.6	0.4×
structure and attachments	1	2.8	0.2×

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 FXDF FAT BOB 1584 10 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 FXDF FAT BOB 1584 10.

Pass rate by registration year

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

Best year to buy used: 2010 (88.1% pass). Weakest: 2010 (88.1%).

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 FXDF FAT BOB 1584 10 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FXDF FAT BOB 1584 10 reliable?

The HARLEY-DAVIDSON FXDF FAT BOB 1584 10 is more reliable than average for its class: 88.2% of its 796 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1541 of 5426 models.

What does a FXDF FAT BOB 1584 10 fail its MOT on most?

lamps and reflectors — 22% of all defects recorded against failed FXDF FAT BOB 1584 10 tests.

How many miles will a FXDF FAT BOB 1584 10 last?

The median FXDF FAT BOB 1584 10 shows 11,449 miles at test, and examples around 30k miles still pass 88.6% of the time — mileage alone rarely kills one.