BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha XF 50 Giggle: MOT pass rate by registration year

Which XF 50 Giggle years pass first time, and which fall short of the model's 86.2% average, from 1,129 DVSA tests.

2011
highest-passing year · 96.1%
2008
lowest-passing year · 81.6%
14.5pp
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: 2011 (96.1% of 77 tests). Lowest: 2008 (81.6% of 577). Years more than two points below the model average: 2008.

79%89%99%2008: 81.6% pass (577 tests)2009: 90.0% pass (280 tests)2010: 88.6% pass (114 tests)2011: 96.1% pass (77 tests)200820102011
RegisteredTestsFirst-time passvs model (86.2%)
2008 577 81.6% -4.6 pp
2009 280 90.0% +3.8 pp
2010 114 88.6% +2.4 pp
2011 77 96.1% +9.9 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 · 2011–2025
73%86%100%2011: 87.5% pass (72 tests)2012: 83.7% pass (98 tests)2013: 85.0% pass (113 tests)2014: 88.3% pass (111 tests)2015: 84.9% pass (106 tests)2016: 87.5% pass (104 tests)2017: 87.1% pass (93 tests)2018: 96.5% pass (57 tests)2019: 90.3% pass (62 tests)2020: 82.1% pass (56 tests)2021: 89.4% pass (66 tests)2022: 79.7% pass (59 tests)2023: 84.3% pass (51 tests)2024: 82.9% pass (35 tests)2025: 77.5% pass (40 tests)20112025

Questions

Which XF 50 Giggle years have the lowest MOT pass rate?
2008 registered examples pass first time less often than the Yamaha XF 50 Giggle overall (86.2%); the 2008 cohort is lowest at 81.6% from 577 tests.
Which XF 50 Giggle year has the highest MOT pass rate?
2011, at 96.1% of 77 first tests (2005–2025). Years more than two points above the model average: 2009, 2010, 2011.
How much does the XF 50 Giggle pass rate vary by year?
14.5 percentage points between the highest (2011, 96.1%) and lowest (2008, 81.6%) 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: Yamaha XF 50 Giggle reliability, failures and mileage · ranked #2148 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6