BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Suzuki GZ125: MOT pass rate by registration year

Which GZ125 years pass first time, and which fall short of the model's 66.1% average, from 28,534 DVSA tests.

2011
highest-passing year · 73.8%
2000
lowest-passing year · 63.0%
10.8pp
spread across 14 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: 2011 (73.8% of 424 tests). Lowest: 2000 (63.0% of 1,861). Years more than two points below the model average: 1999, 2000, 2001.

61%68%76%1998: 64.7% pass (1,490 tests)1999: 63.8% pass (2,785 tests)2000: 63.0% pass (1,861 tests)2001: 63.4% pass (1,627 tests)2002: 65.5% pass (3,444 tests)2003: 66.1% pass (4,712 tests)2004: 64.6% pass (2,475 tests)2005: 66.0% pass (1,654 tests)2006: 68.0% pass (3,198 tests)2007: 68.0% pass (1,686 tests)2008: 67.9% pass (1,466 tests)2009: 72.4% pass (771 tests)2010: 70.4% pass (868 tests)2011: 73.8% pass (424 tests)199820052011
RegisteredTestsFirst-time passvs model (66.1%)
1998 1,490 64.7% -1.4 pp
1999 2,785 63.8% -2.3 pp
2000 1,861 63.0% -3.1 pp
2001 1,627 63.4% -2.7 pp
2002 3,444 65.5% -0.6 pp
2003 4,712 66.1% +0.0 pp
2004 2,475 64.6% -1.5 pp
2005 1,654 66.0% -0.1 pp
2006 3,198 68.0% +1.9 pp
2007 1,686 68.0% +1.9 pp
2008 1,466 67.9% +1.8 pp
2009 771 72.4% +6.3 pp
2010 868 70.4% +4.3 pp
2011 424 73.8% +7.7 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
61%68%75%2005: 71.0% pass (238 tests)2006: 72.8% pass (1,427 tests)2007: 71.4% pass (1,513 tests)2008: 70.1% pass (1,654 tests)2009: 66.2% pass (1,896 tests)2010: 63.6% pass (2,038 tests)2011: 65.4% pass (2,168 tests)2012: 65.1% pass (2,126 tests)2013: 63.9% pass (2,081 tests)2014: 64.9% pass (2,041 tests)2015: 64.2% pass (1,847 tests)2016: 64.7% pass (1,616 tests)2017: 64.8% pass (1,446 tests)2018: 65.8% pass (1,003 tests)2019: 65.4% pass (941 tests)2020: 67.3% pass (807 tests)2021: 64.9% pass (956 tests)2022: 64.8% pass (872 tests)2023: 65.9% pass (794 tests)2024: 65.1% pass (558 tests)2025: 67.4% pass (512 tests)20052025

Questions

Which GZ125 years have the lowest MOT pass rate?
1999, 2000, 2001 registered examples pass first time less often than the Suzuki GZ125 overall (66.1%); the 2000 cohort is lowest at 63.0% from 1,861 tests.
Which GZ125 year has the highest MOT pass rate?
2011, at 73.8% of 424 first tests (2005–2025). Years more than two points above the model average: 2009, 2010, 2011.
How much does the GZ125 pass rate vary by year?
10.8 percentage points between the highest (2011, 73.8%) and lowest (2000, 63.0%) 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 GZ125 reliability, failures and mileage · ranked #4960 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S