BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FLSTC HERITAGE STC 1690 17
Model report · 2005–2025

HARLEY-DAVIDSON FLSTC HERITAGE STC 1690 17

1690cc Petrol Class 2
92.7%
first-time pass rate
3.3%
failed outright
7,173
median miles at test
579
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The FLSTC HERITAGE STC 1690 17's first-time pass rate has held steady since 2020 (94.8% → 94.2%).

82%91%100%2020: 94.8% pass (97 tests)2021: 89.2% pass (102 tests)2022: 99.0% pass (105 tests)2023: 92.0% pass (100 tests)2024: 85.7% pass (84 tests)2025: 94.2% pass (86 tests)20202025

What fails on a FLSTC HERITAGE STC 1690 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
7 33.3 0.3×
lamps and reflectors
7 33.3 0.8×
tyres
3 14.3 0.8×
Identification of the vehicle
2 9.5 1.5×
steering
1 4.8 0.4×
structure and attachments
1 4.8 0.3×

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 FLSTC HERITAGE STC 1690 17 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 FLSTC HERITAGE STC 1690 17.

Pass rate by registration year

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

Best year to buy used: 2016 (94.2% pass). Weakest: 2018 (90.8%).

90%93%95%2016: 94.2% pass (52 tests)2017: 92.9% pass (438 tests)2018: 90.8% pass (87 tests)201620172018

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 FLSTC HERITAGE STC 1690 17 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FLSTC HERITAGE STC 1690 17 reliable?

The HARLEY-DAVIDSON FLSTC HERITAGE STC 1690 17 is more reliable than average for its class: 92.7% of its 579 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #343 of 5426 models.

What does a FLSTC HERITAGE STC 1690 17 fail its MOT on most?

brakes — 33% of all defects recorded against failed FLSTC HERITAGE STC 1690 17 tests.

What is the best year of FLSTC HERITAGE STC 1690 17 to buy used?

By first-time pass rate, 2016-registered examples do best (94.2%) and 2018 worst (90.8%). Condition and history still trump the year.