BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha WR125: MOT pass rate by registration year

Which WR125 years pass first time, and which fall short of the model's 62.4% average, from 956 DVSA tests.

2012
highest-passing year · 64.5%
2011
lowest-passing year · 57.8%
6.7pp
spread across 4 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: 2012 (64.5% of 107 tests). Lowest: 2011 (57.8% of 230). Years more than two points below the model average: 2011.

56%61%66%2009: 63.2% pass (261 tests)2010: 64.4% pass (334 tests)2011: 57.8% pass (230 tests)2012: 64.5% pass (107 tests)200920112012
RegisteredTestsFirst-time passvs model (62.4%)
2009 261 63.2% +0.8 pp
2010 334 64.4% +2.0 pp
2011 230 57.8% -4.6 pp
2012 107 64.5% +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 · 2012–2025
44%63%82%2012: 57.6% pass (33 tests)2013: 67.9% pass (78 tests)2014: 65.2% pass (112 tests)2015: 64.6% pass (130 tests)2016: 64.3% pass (115 tests)2017: 56.8% pass (95 tests)2018: 53.3% pass (60 tests)2019: 61.7% pass (47 tests)2020: 66.7% pass (39 tests)2021: 50.0% pass (58 tests)2022: 62.3% pass (53 tests)2023: 62.5% pass (56 tests)2024: 65.0% pass (40 tests)2025: 75.7% pass (37 tests)20122025

Questions

Which WR125 years have the lowest MOT pass rate?
2011 registered examples pass first time less often than the Yamaha WR125 overall (62.4%); the 2011 cohort is lowest at 57.8% from 230 tests.
Which WR125 year has the highest MOT pass rate?
2012, at 64.5% of 107 first tests (2005–2025).
How much does the WR125 pass rate vary by year?
6.7 percentage points between the highest (2012, 64.5%) and lowest (2011, 57.8%) 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: Yamaha WR125 reliability, failures and mileage · ranked #5135 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6