BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FXS BLACKLINE 1585
Model report · 2005–2025

HARLEY-DAVIDSON FXS BLACKLINE 1585

1585cc Petrol Class 2
86.4%
first-time pass rate
3.5%
failed outright
7,172
median miles at test
257
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2017

The FXS BLACKLINE 1585's first-time pass rate has held steady since 2015 (87.1% → 86.7%).

77%83%89%2015: 87.1% pass (31 tests)2016: 79.4% pass (34 tests)2017: 86.7% pass (30 tests)20152017

Pass rate by mileage

how the FXS BLACKLINE 1585's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXS BLACKLINE 1585 passes first time 85.2% of the time; by 20k that's 80.0%.

78%86%94%0k: 85.2% pass (155 tests)10k: 91.5% pass (59 tests)20k: 80.0% pass (35 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 FXS BLACKLINE 1585

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
6 40
reg plates and vin
3 20
tyres and wheels
3 20
fuel and exhaust
2 13.3
steering and suspension
1 6.7

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 FXS BLACKLINE 1585 beats 0 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, HARLEY-DAVIDSON XL1200C).

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 FXS BLACKLINE 1585.

Pass rate by registration year

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

Best year to buy used: 2011 (87.5% pass). Weakest: 2012 (79.4%).

78%83%89%2011: 87.5% pass (168 tests)2012: 79.4% pass (63 tests)20112012

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.