BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha YN50: MOT pass rate by registration year

Which YN50 years pass first time, and which fall short of the model's 69.9% average, from 17,935 DVSA tests.

2012
highest-passing year · 87.3%
2004
lowest-passing year · 65.8%
21.5pp
spread across 15 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 (87.3% of 71 tests). Lowest: 2004 (65.8% of 1,570). Years more than two points below the model average: 1999, 2004.

62%77%92%1998: 69.4% pass (859 tests)1999: 67.8% pass (1,746 tests)2000: 70.0% pass (2,148 tests)2001: 69.3% pass (3,109 tests)2002: 69.4% pass (2,806 tests)2003: 69.7% pass (2,145 tests)2004: 65.8% pass (1,570 tests)2005: 69.1% pass (1,242 tests)2006: 69.8% pass (794 tests)2007: 78.1% pass (529 tests)2008: 74.8% pass (111 tests)2009: 77.2% pass (272 tests)2010: 85.0% pass (334 tests)2011: 81.1% pass (175 tests)2012: 87.3% pass (71 tests)199820052012
RegisteredTestsFirst-time passvs model (69.9%)
1998 859 69.4% -0.5 pp
1999 1,746 67.8% -2.1 pp
2000 2,148 70.0% +0.1 pp
2001 3,109 69.3% -0.6 pp
2002 2,806 69.4% -0.5 pp
2003 2,145 69.7% -0.2 pp
2004 1,570 65.8% -4.1 pp
2005 1,242 69.1% -0.8 pp
2006 794 69.8% -0.1 pp
2007 529 78.1% +8.2 pp
2008 111 74.8% +4.9 pp
2009 272 77.2% +7.3 pp
2010 334 85.0% +15.1 pp
2011 175 81.1% +11.2 pp
2012 71 87.3% +17.4 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 · 2005–2025
62%72%83%2005: 76.3% pass (523 tests)2006: 75.7% pass (1,875 tests)2007: 72.1% pass (1,780 tests)2008: 70.0% pass (1,766 tests)2009: 69.2% pass (1,721 tests)2010: 70.6% pass (1,596 tests)2011: 65.2% pass (1,440 tests)2012: 66.8% pass (1,298 tests)2013: 65.8% pass (1,157 tests)2014: 66.3% pass (978 tests)2015: 67.8% pass (814 tests)2016: 73.8% pass (646 tests)2017: 66.5% pass (540 tests)2018: 67.2% pass (329 tests)2019: 67.3% pass (281 tests)2020: 73.5% pass (238 tests)2021: 72.9% pass (266 tests)2022: 72.6% pass (252 tests)2023: 71.4% pass (185 tests)2024: 69.5% pass (128 tests)2025: 79.5% pass (122 tests)20052025

Questions

Which YN50 years have the lowest MOT pass rate?
1999, 2004 registered examples pass first time less often than the Yamaha YN50 overall (69.9%); the 2004 cohort is lowest at 65.8% from 1,570 tests.
Which YN50 year has the highest MOT pass rate?
2012, at 87.3% of 71 first tests (2005–2025). Years more than two points above the model average: 2007, 2008, 2009, 2010, 2011, 2012.
How much does the YN50 pass rate vary by year?
21.5 percentage points between the highest (2012, 87.3%) and lowest (2004, 65.8%) 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 YN50 reliability, failures and mileage · ranked #4743 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6