BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HARLEY-DAVIDSON/PRO STREET BREAKOUT 1801 17
Model report · 2005–2025

HARLEY-DAVIDSON PRO STREET BREAKOUT 1801 17

1801cc Petrol Class 2
94.2%
first-time pass rate
2.2%
failed outright
7,109
median miles at test
675
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The PRO STREET BREAKOUT 1801 17's first-time pass rate has fallen 2.5 points since 2020, 96.3% to 93.8%.

90%94%98%2020: 96.3% pass (135 tests)2021: 93.1% pass (116 tests)2022: 94.9% pass (117 tests)2023: 91.6% pass (107 tests)2024: 96.4% pass (83 tests)2025: 93.8% pass (96 tests)20202025

Pass rate by mileage

how the PRO STREET BREAKOUT 1801 17's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage PRO STREET BREAKOUT 1801 17 passes first time 93.6% of the time; by 20k that's 90.3%.

90%92%95%0k: 93.6% pass (425 tests)10k: 94.3% pass (157 tests)20k: 90.3% pass (31 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 PRO STREET BREAKOUT 1801 17

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
8 30.8 0.6×
Identification of the vehicle
8 30.8 3.8×
brakes
3 11.5 0.1×
tyres
3 11.5 0.4×
steering
2 7.7 0.4×
structure and attachments
1 3.8 0.2×
audible warning (Horn)
1 3.8 0.8×

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 PRO STREET BREAKOUT 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 PRO STREET BREAKOUT 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 (94.3% pass). Weakest: 2017 (94.0%).

93%94%95%2016: 94.3% pass (212 tests)2017: 94.0% pass (453 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 PRO STREET BREAKOUT 1801 17 FAQ

answers computed from the data above · terms in the glossary

Is the HARLEY-DAVIDSON PRO STREET BREAKOUT 1801 17 reliable?

The HARLEY-DAVIDSON PRO STREET BREAKOUT 1801 17 is more reliable than average for its class: 94.2% of its 675 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #142 of 5426 models.

What does a PRO STREET BREAKOUT 1801 17 fail its MOT on most?

lamps and reflectors — 31% of all defects recorded against failed PRO STREET BREAKOUT 1801 17 tests.

How many miles will a PRO STREET BREAKOUT 1801 17 last?

The median PRO STREET BREAKOUT 1801 17 shows 7,109 miles at test, and examples around 20k miles still pass 90.3% of the time — mileage alone rarely kills one.