BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Harley-Davidson Custom: MOT pass rate by registration year

Which Custom years pass first time, and which fall short of the model's 85.7% average, from 1,619 DVSA tests.

1975
highest-passing year · 91.1%
2000
lowest-passing year · 78.8%
12.3pp
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: 1975 (91.1% of 56 tests). Lowest: 2000 (78.8% of 52). Years more than two points below the model average: 1993, 1994, 2000.

76%85%94%1971: 90.2% pass (143 tests)1975: 91.1% pass (56 tests)1989: 85.7% pass (56 tests)1991: 89.5% pass (114 tests)1992: 88.4% pass (86 tests)1993: 79.0% pass (81 tests)1994: 80.9% pass (89 tests)1995: 84.1% pass (63 tests)1996: 86.0% pass (100 tests)2000: 78.8% pass (52 tests)197119932000
RegisteredTestsFirst-time passvs model (85.7%)
1971 143 90.2% +4.5 pp
1975 56 91.1% +5.4 pp
1989 56 85.7% +0.0 pp
1991 114 89.5% +3.8 pp
1992 86 88.4% +2.7 pp
1993 81 79.0% -6.7 pp
1994 89 80.9% -4.8 pp
1995 63 84.1% -1.6 pp
1996 100 86.0% +0.3 pp
2000 52 78.8% -6.9 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 · 2006–2025
75%86%97%2006: 88.2% pass (85 tests)2007: 93.1% pass (87 tests)2008: 83.9% pass (93 tests)2009: 87.1% pass (93 tests)2010: 81.9% pass (94 tests)2011: 88.2% pass (102 tests)2012: 87.4% pass (95 tests)2013: 87.9% pass (107 tests)2014: 83.1% pass (118 tests)2015: 84.1% pass (107 tests)2016: 86.9% pass (99 tests)2017: 86.6% pass (97 tests)2018: 82.1% pass (67 tests)2019: 86.7% pass (60 tests)2020: 91.5% pass (47 tests)2021: 78.3% pass (69 tests)2022: 82.5% pass (57 tests)2023: 90.4% pass (52 tests)2024: 79.4% pass (34 tests)2025: 86.8% pass (38 tests)20062025

Questions

Which Custom years have the lowest MOT pass rate?
1993, 1994, 2000 registered examples pass first time less often than the Harley-Davidson Custom overall (85.7%); the 2000 cohort is lowest at 78.8% from 52 tests.
Which Custom year has the highest MOT pass rate?
1975, at 91.1% of 56 first tests (2005–2025). Years more than two points above the model average: 1971, 1975, 1991, 1992.
How much does the Custom pass rate vary by year?
12.3 percentage points between the highest (1975, 91.1%) and lowest (2000, 78.8%) 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: Harley-Davidson Custom reliability, failures and mileage · ranked #2308 of 5428 models· other Harley-Davidson models: XLH 883, Flstf, Flstc, XL, XL1200C, XL883