BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FLHRXS ROAD KING SP 1745 17
Model report · 2005–2025

HARLEY-DAVIDSON FLHRXS ROAD KING SP 1745 17

1745cc Petrol Class 2
93.4%
first-time pass rate
3.5%
failed outright
10,323
median miles at test
289
MOT tests, 2005–2025

Pass rate over time

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

The FLHRXS ROAD KING SP 1745 17's first-time pass rate has held steady since 2020 (94.1% → 94.6%).

91%93%96%2020: 94.1% pass (68 tests)2021: 91.5% pass (47 tests)2022: 91.5% pass (47 tests)2023: 94.2% pass (52 tests)2024: 94.7% pass (38 tests)2025: 94.6% pass (37 tests)20202025

What fails on a FLHRXS ROAD KING SP 1745 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
Identification of the vehicle
6 46.2
lamps and reflectors
4 30.8
brakes
1 7.7
suspension
1 7.7
tyres
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 FLHRXS ROAD KING SP 1745 17 beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON FXDWG).

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 FLHRXS ROAD KING SP 1745 17.

Pass rate by registration year

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

Best year to buy used: 2017 (93.0% pass). Weakest: 2017 (93.0%).

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.