BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ariel Red Hunter: MOT pass rate by registration year

Which Red Hunter years pass first time, and which fall short of the model's 92.2% average, from 1,422 DVSA tests.

1959
highest-passing year · 100.0%
1957
lowest-passing year · 88.2%
11.8pp
spread across 10 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 53 tests). Lowest: 1957 (88.2% of 119). Years more than two points below the model average: 1939, 1955, 1957.

86%93%100%1937: 98.3% pass (59 tests)1938: 95.9% pass (74 tests)1939: 88.7% pass (53 tests)1951: 92.1% pass (63 tests)1954: 90.8% pass (131 tests)1955: 89.3% pass (215 tests)1956: 94.3% pass (105 tests)1957: 88.2% pass (119 tests)1958: 92.7% pass (123 tests)1959: 100.0% pass (53 tests)193719551959
RegisteredTestsFirst-time passvs model (92.2%)
1937 59 98.3% +6.1 pp
1938 74 95.9% +3.7 pp
1939 53 88.7% -3.5 pp
1951 63 92.1% -0.1 pp
1954 131 90.8% -1.4 pp
1955 215 89.3% -2.9 pp
1956 105 94.3% +2.1 pp
1957 119 88.2% -4.0 pp
1958 123 92.7% +0.5 pp
1959 53 100.0% +7.8 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 · 2005–2012
89%93%96%2005: 90.2% pass (41 tests)2006: 92.2% pass (206 tests)2007: 91.5% pass (189 tests)2008: 91.7% pass (192 tests)2009: 91.8% pass (194 tests)2010: 92.0% pass (187 tests)2011: 94.8% pass (192 tests)2012: 93.1% pass (145 tests)20052012

Questions

Which Red Hunter years have the lowest MOT pass rate?
1939, 1955, 1957 registered examples pass first time less often than the Ariel Red Hunter overall (92.2%); the 1957 cohort is lowest at 88.2% from 119 tests.
Which Red Hunter year has the highest MOT pass rate?
1959, at 100.0% of 53 first tests (2005–2025). Years more than two points above the model average: 1937, 1938, 1956, 1959.
How much does the Red Hunter pass rate vary by year?
11.8 percentage points between the highest (1959, 100.0%) and lowest (1957, 88.2%) 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 Red Hunter reliability, failures and mileage · ranked #434 of 5428 models· other Ariel models: Arrow, Leader, Huntmaster, Square Four, NH, VH