BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

HARLEY-DAVIDSON ROADSTER

1200cc Petrol Class 2
87.5%
first-time pass rate
10.0%
failed outright
18,605
median miles at test
120
MOT tests, 2005–2025

Pass rate by mileage

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

A low-mileage ROADSTER passes first time 84.8% of the time; by 20k that's 87.5%.

84%87%89%0k: 84.8% pass (33 tests)10k: 88.6% pass (35 tests)20k: 87.5% pass (40 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 ROADSTER

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
9 33.3
steering and suspension
7 25.9
brakes
4 14.8
reg plates and vin
3 11.1
tyres
1 3.7
drive system
1 3.7
suspension
1 3.7
audible warning (Horn)
1 3.7

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 ROADSTER beats 1 of its 4 closest rivals (TRIUMPH BONNEVILLE, TRIUMPH THUNDERBIRD, HARLEY-DAVIDSON XLH 883).

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 ROADSTER.