HARLEY-DAVIDSON FLFB FATBOY 1745 18

1745cc Petrol Class 2

#565 of 5426 overall #83 of 397 HARLEY-DAVIDSONs #106 of 465 cruiser bikes

91.5%

first-time pass rate

4.2%

failed outright

6,099

median miles at test

284

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The FLFB FATBOY 1745 18's first-time pass rate has risen 10.2 points since 2021, 89.8% to 100.0%.

What fails on a FLFB FATBOY 1745 18

failure defects by component group · advisories excluded

Component group	Defects	% of defects
tyres	8	50
lamps and reflectors	4	25
Identification of the vehicle	2	12.5
brakes	2	12.5

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the FLFB FATBOY 1745 18 beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON FXDWG).

HARLEY-DAVIDSON FLSTF 88.9% pass · 30.1k tests HARLEY-DAVIDSON FLSTC 89.4% pass · 23.7k tests HARLEY-DAVIDSON FXDWG 88.7% pass · 14.6k tests HARLEY-DAVIDSON FLSTFI 89.4% pass · 13.2k 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 FLFB FATBOY 1745 18.

Pass rate by registration year

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

Best year to buy used: 2017 (93.5% pass). Weakest: 2018 (90.8%).

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.