BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FLHXS STREET GLIDE SP 1745 18
Model report · 2005–2025

HARLEY-DAVIDSON FLHXS STREET GLIDE SP 1745 18

1745cc Petrol Class 2
92.8%
first-time pass rate
3.6%
failed outright
14,254
median miles at test
418
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The FLHXS STREET GLIDE SP 1745 18's first-time pass rate has risen 2.5 points since 2021, 91.9% to 94.4%.

89%93%97%2021: 91.9% pass (86 tests)2022: 93.2% pass (88 tests)2023: 89.9% pass (89 tests)2024: 95.5% pass (66 tests)2025: 94.4% pass (72 tests)20212025

Pass rate by mileage

how the FLHXS STREET GLIDE SP 1745 18's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FLHXS STREET GLIDE SP 1745 18 passes first time 94.9% of the time; by 30k that's 94.1%.

88%93%99%0k: 94.9% pass (137 tests)10k: 89.6% pass (163 tests)20k: 97.3% pass (74 tests)30k: 94.1% pass (34 tests)0k20k30k

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 FLHXS STREET GLIDE SP 1745 18

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
Identification of the vehicle
6 33.3
brakes
3 16.7
tyres
3 16.7
lamps and reflectors
2 11.1
wheels
1 5.6
audible warning (Horn)
1 5.6
structure and attachments
1 5.6
suspension
1 5.6

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 FLHXS STREET GLIDE SP 1745 18 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 FLHXS STREET GLIDE SP 1745 18.

Pass rate by registration year

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

Best year to buy used: 2017 (94.5% pass). Weakest: 2018 (92.5%).

92%94%95%2017: 94.5% pass (109 tests)2018: 92.5% pass (292 tests)20172018

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.