BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ariel Huntmaster: MOT pass rate by registration year

Which Huntmaster years pass first time, and which fall short of the model's 94.1% average, from 631 DVSA tests.

1959
highest-passing year · 100.0%
1957
lowest-passing year · 92.0%
8.0pp
spread across 6 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: 1959 (100.0% of 63 tests). Lowest: 1957 (92.0% of 125). Years more than two points below the model average: 1957.

90%95%100%1954: 94.1% pass (51 tests)1955: 97.3% pass (74 tests)1956: 93.0% pass (71 tests)1957: 92.0% pass (125 tests)1958: 93.8% pass (195 tests)1959: 100.0% pass (63 tests)195419571959
RegisteredTestsFirst-time passvs model (94.1%)
1954 51 94.1% +0.0 pp
1955 74 97.3% +3.2 pp
1956 71 93.0% -1.1 pp
1957 125 92.0% -2.1 pp
1958 195 93.8% -0.3 pp
1959 63 100.0% +5.9 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 · 2006–2012
89%94%98%2006: 96.7% pass (91 tests)2007: 95.5% pass (88 tests)2008: 92.6% pass (81 tests)2009: 95.3% pass (85 tests)2010: 92.9% pass (84 tests)2011: 90.4% pass (83 tests)2012: 95.6% pass (68 tests)20062012

Questions

Which Huntmaster years have the lowest MOT pass rate?
1957 registered examples pass first time less often than the Ariel Huntmaster overall (94.1%); the 1957 cohort is lowest at 92.0% from 125 tests.
Which Huntmaster year has the highest MOT pass rate?
1959, at 100.0% of 63 first tests (2005–2025). Years more than two points above the model average: 1955, 1959.
How much does the Huntmaster pass rate vary by year?
8.0 percentage points between the highest (1959, 100.0%) and lowest (1957, 92.0%) 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: Ariel Huntmaster reliability, failures and mileage · ranked #153 of 5428 models· other Ariel models: Arrow, Red Hunter, Leader, Square Four, NH, VH