HARLEY-DAVIDSON FLSTF FATBOY 1690 12

1690cc Petrol Class 2

#883 of 5426 overall #134 of 397 HARLEY-DAVIDSONs #166 of 465 cruiser bikes

90.2%

first-time pass rate

4.1%

failed outright

9,330

median miles at test

940

MOT tests, 2005–2025

Pass rate over time

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

The FLSTF FATBOY 1690 12's first-time pass rate has risen 3.1 points since 2015, 85.5% to 88.6%.

Pass rate by mileage

how the FLSTF FATBOY 1690 12's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FLSTF FATBOY 1690 12 passes first time 90.5% of the time; by 20k that's 87.6%.

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 FLSTF FATBOY 1690 12

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	19	27.9	1.0×
Identification of the vehicle	11	16.2	4.1×
brakes	11	16.2	0.2×
lighting and signalling	9	13.2	0.2×
reg plates and vin	7	10.3	0.9×
tyres and wheels	4	5.9	0.2×
tyres	3	4.4	0.5×
fuel and exhaust	2	2.9	0.3×
structure and attachments	1	1.5	0.2×
body and structure	1	1.5	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 FLSTF FATBOY 1690 12 beats 4 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 FLSTF FATBOY 1690 12.

Pass rate by registration year

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

Best year to buy used: 2011 (91.0% pass). Weakest: 2013 (87.9%).

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 FLSTF FATBOY 1690 12 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FLSTF FATBOY 1690 12 reliable?

The HARLEY-DAVIDSON FLSTF FATBOY 1690 12 is more reliable than average for its class: 90.2% of its 940 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #883 of 5426 models.

What does a FLSTF FATBOY 1690 12 fail its MOT on most?

lamps and reflectors — 28% of all defects recorded against failed FLSTF FATBOY 1690 12 tests.

What is the best year of FLSTF FATBOY 1690 12 to buy used?

By first-time pass rate, 2011-registered examples do best (91.0%) and 2013 worst (87.9%). Condition and history still trump the year.

How many miles will a FLSTF FATBOY 1690 12 last?

The median FLSTF FATBOY 1690 12 shows 9,330 miles at test, and examples around 20k miles still pass 87.6% of the time — mileage alone rarely kills one.