BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FLHTKL ULTRA LTD LOW 1745 17
Model report · 2005–2025

HARLEY-DAVIDSON FLHTKL ULTRA LTD LOW 1745 17

1745cc Petrol Class 2
94.1%
first-time pass rate
3.1%
failed outright
10,376
median miles at test
287
MOT tests, 2005–2025

Pass rate over time

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

The FLHTKL ULTRA LTD LOW 1745 17's first-time pass rate has fallen 3.6 points since 2020, 97.1% to 93.5%.

91%95%98%2020: 97.1% pass (34 tests)2021: 94.0% pass (50 tests)2022: 96.2% pass (53 tests)2023: 94.2% pass (52 tests)2024: 92.5% pass (40 tests)2025: 93.5% pass (46 tests)20202025

Pass rate by mileage

how the FLHTKL ULTRA LTD LOW 1745 17's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FLHTKL ULTRA LTD LOW 1745 17 passes first time 97.0% of the time; by 20k that's 83.9%.

81%90%100%0k: 97.0% pass (134 tests)10k: 94.2% pass (103 tests)20k: 83.9% pass (31 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 FLHTKL ULTRA LTD LOW 1745 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
8 44.4
lamps and reflectors
4 22.2
structure and attachments
3 16.7
suspension
2 11.1
tyres
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 FLHTKL ULTRA LTD LOW 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 FLHTKL ULTRA LTD LOW 1745 17.

Pass rate by registration year

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

Best year to buy used: 2018 (95.6% pass). Weakest: 2017 (92.4%).

92%94%96%2017: 92.4% pass (119 tests)2018: 95.6% pass (90 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.