BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Bullit Hero 125: MOT pass rate by registration year

Which Hero 125 years pass first time, and which fall short of the model's 70.2% average, from 1,047 DVSA tests.

2021
highest-passing year · 74.7%
2018
lowest-passing year · 67.4%
7.3pp
spread across 5 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2021 (74.7% of 150 tests). Lowest: 2018 (67.4% of 319). Years more than two points below the model average: 2018.

66%71%76%2017: 68.5% pass (111 tests)2018: 67.4% pass (319 tests)2019: 72.1% pass (197 tests)2020: 69.9% pass (249 tests)2021: 74.7% pass (150 tests)201720192021
RegisteredTestsFirst-time passvs model (70.2%)
2017 111 68.5% -1.7 pp
2018 319 67.4% -2.8 pp
2019 197 72.1% +1.9 pp
2020 249 69.9% -0.3 pp
2021 150 74.7% +4.5 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2021–2025
62%71%79%2021: 65.0% pass (103 tests)2022: 67.2% pass (177 tests)2023: 68.6% pass (236 tests)2024: 69.1% pass (256 tests)2025: 76.1% pass (259 tests)20212025

Questions

Which Hero 125 years have the lowest MOT pass rate?
2018 registered examples pass first time less often than the Bullit Hero 125 overall (70.2%); the 2018 cohort is lowest at 67.4% from 319 tests.
Which Hero 125 year has the highest MOT pass rate?
2021, at 74.7% of 150 first tests (2005–2025).
How much does the Hero 125 pass rate vary by year?
7.3 percentage points between the highest (2021, 74.7%) and lowest (2018, 67.4%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Bullit Hero 125 reliability, failures and mileage · ranked #4717 of 5428 models· other Bullit models: Hunt, Bluroc 125, Hunt S 125, Spirit 125, Hunt 250, Hero 50