BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Suzuki GZ 125 K8: MOT pass rate by registration year

Which GZ 125 K8 years pass first time, and which fall short of the model's 68.0% average, from 1,028 DVSA tests.

2007
highest-passing year · 73.9%
2009
lowest-passing year · 62.8%
11.1pp
spread across 3 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: 2007 (73.9% of 92 tests). Lowest: 2009 (62.8% of 156). Years more than two points below the model average: 2009.

61%68%76%2007: 73.9% pass (92 tests)2008: 67.7% pass (753 tests)2009: 62.8% pass (156 tests)200720082009
RegisteredTestsFirst-time passvs model (68.0%)
2007 92 73.9% +5.9 pp
2008 753 67.7% -0.3 pp
2009 156 62.8% -5.2 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 · 2011–2023
50%66%82%2011: 76.3% pass (97 tests)2012: 75.0% pass (112 tests)2013: 73.0% pass (115 tests)2014: 66.1% pass (118 tests)2015: 63.2% pass (95 tests)2016: 58.4% pass (89 tests)2017: 63.4% pass (71 tests)2018: 67.2% pass (58 tests)2019: 70.7% pass (41 tests)2020: 55.0% pass (40 tests)2021: 76.0% pass (50 tests)2022: 72.2% pass (36 tests)2023: 64.3% pass (42 tests)20112023

Questions

Which GZ 125 K8 years have the lowest MOT pass rate?
2009 registered examples pass first time less often than the Suzuki GZ 125 K8 overall (68.0%); the 2009 cohort is lowest at 62.8% from 156 tests.
Which GZ 125 K8 year has the highest MOT pass rate?
2007, at 73.9% of 92 first tests (2005–2025).
How much does the GZ 125 K8 pass rate vary by year?
11.1 percentage points between the highest (2007, 73.9%) and lowest (2009, 62.8%) 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: Suzuki GZ 125 K8 reliability, failures and mileage · ranked #4853 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S