BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Suzuki GT185: MOT pass rate by registration year

Which GT185 years pass first time, and which fall short of the model's 83.3% average, from 830 DVSA tests.

1978
highest-passing year · 85.2%
1975
lowest-passing year · 80.6%
4.6pp
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: 1978 (85.2% of 122 tests). Lowest: 1975 (80.6% of 72). Years more than two points below the model average: 1975, 1979.

80%83%86%1973: 82.4% pass (68 tests)1975: 80.6% pass (72 tests)1976: 81.9% pass (116 tests)1977: 84.8% pass (164 tests)1978: 85.2% pass (122 tests)1979: 81.2% pass (149 tests)197319771979
RegisteredTestsFirst-time passvs model (83.3%)
1973 68 82.4% -0.9 pp
1975 72 80.6% -2.7 pp
1976 116 81.9% -1.4 pp
1977 164 84.8% +1.5 pp
1978 122 85.2% +1.9 pp
1979 149 81.2% -2.1 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 · 2006–2017
71%85%100%2006: 87.7% pass (57 tests)2007: 94.9% pass (39 tests)2008: 87.2% pass (39 tests)2009: 75.5% pass (53 tests)2010: 87.0% pass (46 tests)2011: 81.4% pass (59 tests)2012: 79.2% pass (72 tests)2013: 76.4% pass (72 tests)2014: 83.3% pass (84 tests)2015: 79.7% pass (79 tests)2016: 84.3% pass (70 tests)2017: 85.7% pass (63 tests)20062017

Questions

Which GT185 years have the lowest MOT pass rate?
1975, 1979 registered examples pass first time less often than the Suzuki GT185 overall (83.3%); the 1975 cohort is lowest at 80.6% from 72 tests.
Which GT185 year has the highest MOT pass rate?
1978, at 85.2% of 122 first tests (2005–2025).
How much does the GT185 pass rate vary by year?
4.6 percentage points between the highest (1978, 85.2%) and lowest (1975, 80.6%) 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: Suzuki GT185 reliability, failures and mileage · ranked #2895 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S