HARLEY-DAVIDSON FLSL SOFTAIL SLIM 1745 20

1745cc Petrol Class 2

92.0%

first-time pass rate

2.0%

failed outright

4,226

median miles at test

100

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The FLSL SOFTAIL SLIM 1745 20's first-time pass rate has fallen 6.7 points since 2023, 97.0% to 90.3%.

What fails on a FLSL SOFTAIL SLIM 1745 20

failure defects by component group · advisories excluded

Component group	Share of defects	Defects	% of defects
lamps and reflectors		2	100

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 FLSL SOFTAIL SLIM 1745 20 beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON FXDWG).

HARLEY-DAVIDSON FLSTF 88.9% pass · 30.1k tests HARLEY-DAVIDSON FLSTC 89.4% pass · 23.7k tests HARLEY-DAVIDSON FXDWG 88.7% pass · 14.6k tests HARLEY-DAVIDSON FLSTFI 89.4% pass · 13.2k tests

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 FLSL SOFTAIL SLIM 1745 20.

Pass rate by registration year

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

Best year to buy used: 2020 (92.4% pass). Weakest: 2020 (92.4%).

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.