BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025
90.5%
first-time pass rate
4.7%
failed outright
12,712
median miles at test
485
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2015

The FX's first-time pass rate has fallen 15.1 points since 2009, 90.9% to 75.8%.

71%85%100%2009: 90.9% pass (33 tests)2010: 93.8% pass (32 tests)2013: 96.8% pass (31 tests)2014: 85.7% pass (35 tests)2015: 75.8% pass (33 tests)20092015

Pass rate by mileage

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

A low-mileage FX passes first time 89.7% of the time; by 30k that's 91.7%.

87%91%95%0k: 89.7% pass (175 tests)10k: 93.4% pass (106 tests)20k: 87.9% pass (58 tests)30k: 91.7% pass (60 tests)0k20k30k

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 FX

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
15 27.8
brakes
11 20.4
lamps and reflectors
7 13
steering and suspension
6 11.1
reg plates and vin
4 7.4
tyres and wheels
3 5.6
fuel and exhaust
3 5.6
drive system
2 3.7
steering
2 3.7
Items Not Tested
1 1.9

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 FX 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 FX.