BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/FXDLS DYNA LOWRIDER S 1801 17
Model report · 2005–2025

HARLEY-DAVIDSON FXDLS DYNA LOWRIDER S 1801 17

1801cc Petrol Class 2
91.3%
first-time pass rate
3.2%
failed outright
6,879
median miles at test
863
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2019–2025

The FXDLS DYNA LOWRIDER S 1801 17's first-time pass rate has risen 5.8 points since 2019, 87.5% to 93.3%.

86%90%95%2019: 87.5% pass (40 tests)2020: 92.7% pass (165 tests)2021: 88.8% pass (143 tests)2022: 91.5% pass (141 tests)2023: 90.2% pass (143 tests)2024: 92.8% pass (111 tests)2025: 93.3% pass (120 tests)20192025

What fails on a FXDLS DYNA LOWRIDER S 1801 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
28 54.9 1.3×
Identification of the vehicle
12 23.5 6.0×
structure and attachments
3 5.9 0.5×
suspension
3 5.9 0.5×
steering
2 3.9 0.6×
brakes
2 3.9 0.1×
tyres
1 2 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 FXDLS DYNA LOWRIDER S 1801 17 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 FXDLS DYNA LOWRIDER S 1801 17.

Pass rate by registration year

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

Best year to buy used: 2016 (91.4% pass). Weakest: 2017 (91.1%).

90%91%92%2016: 91.4% pass (383 tests)2017: 91.1% pass (473 tests)20162017

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 FXDLS DYNA LOWRIDER S 1801 17 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON FXDLS DYNA LOWRIDER S 1801 17 reliable?

The HARLEY-DAVIDSON FXDLS DYNA LOWRIDER S 1801 17 is more reliable than average for its class: 91.3% of its 863 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #618 of 5426 models.

What does a FXDLS DYNA LOWRIDER S 1801 17 fail its MOT on most?

lamps and reflectors — 55% of all defects recorded against failed FXDLS DYNA LOWRIDER S 1801 17 tests.