BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FXDFSE CVO DYNA SE
Model report · 2005–2025

HARLEY-DAVIDSON FXDFSE CVO DYNA SE

1800cc Petrol Class 2
90.2%
first-time pass rate
4.1%
failed outright
10,638
median miles at test
661
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2025

The FXDFSE CVO DYNA SE's first-time pass rate has risen 1.3 points since 2012, 88.2% to 89.5%.

77%89%100%2012: 88.2% pass (51 tests)2013: 86.6% pass (67 tests)2014: 90.0% pass (60 tests)2015: 91.1% pass (56 tests)2016: 88.5% pass (52 tests)2017: 84.3% pass (51 tests)2018: 94.4% pass (36 tests)2019: 95.7% pass (46 tests)2020: 94.3% pass (35 tests)2021: 96.0% pass (50 tests)2022: 81.6% pass (49 tests)2023: 100.0% pass (44 tests)2025: 89.5% pass (38 tests)20122025

Pass rate by mileage

how the FXDFSE CVO DYNA SE's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage FXDFSE CVO DYNA SE passes first time 92.4% of the time; by 20k that's 94.4%.

87%91%96%0k: 92.4% pass (301 tests)10k: 88.0% pass (250 tests)20k: 94.4% pass (72 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 FXDFSE CVO DYNA SE

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
9 21.4 0.3×
lamps and reflectors
8 19 0.5×
reg plates and vin
8 19 1.3×
lighting and signalling
4 9.5 0.2×
steering and suspension
4 9.5 0.1×
fuel and exhaust
3 7.1 0.6×
tyres
2 4.8 0.4×
driving controls
2 4.8 1.3×
tyres and wheels
1 2.4 0.1×
structure and attachments
1 2.4 0.2×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the FXDFSE CVO DYNA SE beats 4 of its 4 closest rivals (HARLEY-DAVIDSON FLSTF, HARLEY-DAVIDSON FLSTC, TRIUMPH ROCKET III).

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 FXDFSE CVO DYNA SE.

Pass rate by registration year

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

Best year to buy used: 2010 (90.9% pass). Weakest: 2009 (89.8%).

89%90%92%2009: 89.8% pass (462 tests)2010: 90.9% pass (198 tests)20092010

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.

HARLEY-DAVIDSON FXDFSE CVO DYNA SE FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FXDFSE CVO DYNA SE reliable?

The HARLEY-DAVIDSON FXDFSE CVO DYNA SE is more reliable than average for its class: 90.2% of its 661 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #883 of 5426 models.

What does a FXDFSE CVO DYNA SE fail its MOT on most?

brakes — 21% of all defects recorded against failed FXDFSE CVO DYNA SE tests.

How many miles will a FXDFSE CVO DYNA SE last?

The median FXDFSE CVO DYNA SE shows 10,638 miles at test, and examples around 20k miles still pass 94.4% of the time — mileage alone rarely kills one.