BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FXDWG WGLIDE 1584 12
Model report · 2005–2025

HARLEY-DAVIDSON FXDWG WGLIDE 1584 12

1585cc Petrol Class 2
89.9%
first-time pass rate
4.9%
failed outright
9,312
median miles at test
347
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2016–2023

The FXDWG WGLIDE 1584 12's first-time pass rate has fallen 10.0 points since 2016, 93.3% to 83.3%.

81%89%97%2016: 93.3% pass (45 tests)2017: 90.7% pass (43 tests)2019: 93.9% pass (33 tests)2020: 90.0% pass (30 tests)2021: 87.9% pass (33 tests)2022: 90.9% pass (33 tests)2023: 83.3% pass (30 tests)20162023

Pass rate by mileage

how the FXDWG WGLIDE 1584 12's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXDWG WGLIDE 1584 12 passes first time 90.5% of the time; by 20k that's 90.9%.

89%90%92%0k: 90.5% pass (189 tests)10k: 89.7% pass (117 tests)20k: 90.9% pass (33 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 FXDWG WGLIDE 1584 12

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
7 26.9
suspension
4 15.4
lighting and signalling
3 11.5
steering and suspension
2 7.7
structure and attachments
2 7.7
tyres
2 7.7
brakes
2 7.7
steering
2 7.7
reg plates and vin
1 3.8
Identification of the vehicle
1 3.8

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 FXDWG WGLIDE 1584 12 beats 4 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 FXDWG WGLIDE 1584 12.

Pass rate by registration year

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

Best year to buy used: 2013 (90.6% pass). Weakest: 2012 (87.5%).

87%89%91%2012: 87.5% pass (136 tests)2013: 90.6% pass (180 tests)20122013

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.