BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/ST DELUXE FLSTN 103 1690 13
Model report · 2005–2025

HARLEY-DAVIDSON ST DELUXE FLSTN 103 1690 13

1690cc Petrol Class 2
90.7%
first-time pass rate
3.1%
failed outright
7,845
median miles at test
226
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2016–2017

The ST DELUXE FLSTN 103 1690 13's first-time pass rate has fallen 4.6 points since 2016, 91.7% to 87.1%.

86%89%93%2016: 91.7% pass (36 tests)2017: 87.1% pass (31 tests)20162017

What fails on a ST DELUXE FLSTN 103 1690 13

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
4 30.8
body and structure
2 15.4
brakes
2 15.4
reg plates and vin
2 15.4
Identification of the vehicle
1 7.7
structure and attachments
1 7.7
suspension
1 7.7

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 ST DELUXE FLSTN 103 1690 13 beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON XL1200C).

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 ST DELUXE FLSTN 103 1690 13.

Pass rate by registration year

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

Best year to buy used: 2013 (90.2% pass). Weakest: 2013 (90.2%).

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.