BIKERELIABILITY Reg check
League table/ MZ/ 125SM/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

MZ 125SM: MOT pass rate by registration year

Which 125SM years pass first time, and which fall short of the model's 65.5% average, from 692 DVSA tests.

2004
highest-passing year · 67.9%
2002
lowest-passing year · 60.6%
7.3pp
spread across 5 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: 2004 (67.9% of 131 tests). Lowest: 2002 (60.6% of 99). Years more than two points below the model average: 2002, 2003.

59%64%69%2002: 60.6% pass (99 tests)2003: 61.0% pass (172 tests)2004: 67.9% pass (131 tests)2005: 67.2% pass (116 tests)2006: 64.1% pass (64 tests)200220042006
RegisteredTestsFirst-time passvs model (65.5%)
2002 99 60.6% -4.9 pp
2003 172 61.0% -4.5 pp
2004 131 67.9% +2.4 pp
2005 116 67.2% +1.7 pp
2006 64 64.1% -1.4 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 · 2006–2015
45%63%82%2006: 75.6% pass (41 tests)2007: 63.0% pass (54 tests)2008: 67.6% pass (68 tests)2009: 64.1% pass (64 tests)2010: 61.3% pass (62 tests)2011: 63.0% pass (54 tests)2012: 72.9% pass (48 tests)2013: 71.1% pass (45 tests)2014: 51.1% pass (45 tests)2015: 55.9% pass (34 tests)20062015

Questions

Which 125SM years have the lowest MOT pass rate?
2002, 2003 registered examples pass first time less often than the MZ 125SM overall (65.5%); the 2002 cohort is lowest at 60.6% from 99 tests.
Which 125SM year has the highest MOT pass rate?
2004, at 67.9% of 131 first tests (2005–2025).
How much does the 125SM pass rate vary by year?
7.3 percentage points between the highest (2004, 67.9%) and lowest (2002, 60.6%) 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: MZ 125SM reliability, failures and mileage · ranked #4992 of 5428 models· other MZ models: Baghira, ETZ250, Skorpion, ETZ251, TS250, ETZ125