BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FLHRXS ROAD KING SP 1868 19
Model report · 2005–2025

HARLEY-DAVIDSON FLHRXS ROAD KING SP 1868 19

1868cc Petrol Class 2
97.5%
first-time pass rate
1.1%
failed outright
9,058
median miles at test
366
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2025

The FLHRXS ROAD KING SP 1868 19's first-time pass rate has risen 2.0 points since 2022, 95.6% to 97.6%.

95%97%100%2022: 95.6% pass (90 tests)2023: 96.8% pass (93 tests)2024: 100.0% pass (76 tests)2025: 97.6% pass (83 tests)20222025

Pass rate by mileage

how the FLHRXS ROAD KING SP 1868 19's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FLHRXS ROAD KING SP 1868 19 passes first time 98.5% of the time; by 20k that's 100.0%.

94%97%100%0k: 98.5% pass (198 tests)10k: 95.0% pass (119 tests)20k: 100.0% pass (43 tests)0k10k20k

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 FLHRXS ROAD KING SP 1868 19

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
2 40
Identification of the vehicle
1 20
lamps and reflectors
1 20
tyres
1 20

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 1868 19 beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, TRIUMPH ROCKET III).

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 1868 19.

Pass rate by registration year

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

Best year to buy used: 2018 (99.1% pass). Weakest: 2019 (96.2%).

95%98%100%2018: 99.1% pass (117 tests)2019: 96.2% pass (208 tests)20182019

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.