BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha RD250: MOT pass rate by registration year

Which RD250 years pass first time, and which fall short of the model's 85.8% average, from 7,314 DVSA tests.

1971
highest-passing year · 89.2%
1974
lowest-passing year · 81.3%
7.9pp
spread across 15 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: 1971 (89.2% of 93 tests). Lowest: 1974 (81.3% of 112). Years more than two points below the model average: 1974, 1976.

80%85%91%1971: 89.2% pass (93 tests)1973: 85.5% pass (62 tests)1974: 81.3% pass (112 tests)1975: 84.0% pass (194 tests)1976: 82.5% pass (389 tests)1977: 85.6% pass (457 tests)1978: 86.2% pass (625 tests)1979: 84.3% pass (689 tests)1980: 86.1% pass (1,521 tests)1981: 85.3% pass (1,465 tests)1982: 88.5% pass (599 tests)1983: 84.0% pass (338 tests)1984: 85.8% pass (155 tests)1985: 86.9% pass (107 tests)1986: 84.7% pass (85 tests)197119791986
RegisteredTestsFirst-time passvs model (85.8%)
1971 93 89.2% +3.4 pp
1973 62 85.5% -0.3 pp
1974 112 81.3% -4.5 pp
1975 194 84.0% -1.8 pp
1976 389 82.5% -3.3 pp
1977 457 85.6% -0.2 pp
1978 625 86.2% +0.4 pp
1979 689 84.3% -1.5 pp
1980 1,521 86.1% +0.3 pp
1981 1,465 85.3% -0.5 pp
1982 599 88.5% +2.7 pp
1983 338 84.0% -1.8 pp
1984 155 85.8% +0.0 pp
1985 107 86.9% +1.1 pp
1986 85 84.7% -1.1 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 · 2005–2025
76%88%100%2005: 81.3% pass (64 tests)2006: 81.6% pass (364 tests)2007: 80.3% pass (315 tests)2008: 79.9% pass (338 tests)2009: 80.6% pass (371 tests)2010: 83.0% pass (393 tests)2011: 80.9% pass (440 tests)2012: 83.8% pass (482 tests)2013: 85.8% pass (487 tests)2014: 87.5% pass (502 tests)2015: 87.6% pass (502 tests)2016: 86.3% pass (540 tests)2017: 87.5% pass (559 tests)2018: 89.4% pass (406 tests)2019: 90.5% pass (347 tests)2020: 89.1% pass (312 tests)2021: 90.8% pass (348 tests)2022: 90.0% pass (229 tests)2023: 90.0% pass (160 tests)2024: 94.7% pass (76 tests)2025: 97.5% pass (79 tests)20052025

Questions

Which RD250 years have the lowest MOT pass rate?
1974, 1976 registered examples pass first time less often than the Yamaha RD250 overall (85.8%); the 1974 cohort is lowest at 81.3% from 112 tests.
Which RD250 year has the highest MOT pass rate?
1971, at 89.2% of 93 first tests (2005–2025). Years more than two points above the model average: 1971, 1982.
How much does the RD250 pass rate vary by year?
7.9 percentage points between the highest (1971, 89.2%) and lowest (1974, 81.3%) 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: Yamaha RD250 reliability, failures and mileage · ranked #2266 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6