Yamaha YP: MOT pass rate by registration year

Which YP years pass first time, and which fall short of the model's 80.2% average, from 5,259 DVSA tests.

2017

highest-passing year · 86.1%

2014

lowest-passing year · 79.3%

6.8pp

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: 2017 (86.1% of 295 tests). Lowest: 2014 (79.3% of 1,483).

Registered	Tests	First-time pass	vs model (80.2%)
2013	368	79.3%	-0.9 pp
2014	1,483	79.3%	-0.9 pp
2015	1,213	79.5%	-0.7 pp
2016	1,733	81.1%	+0.9 pp
2017	295	86.1%	+5.9 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 · 2016–2025

Questions

Which YP years have the lowest MOT pass rate?: none: no registration year of the Yamaha YP falls more than two points under the model's 80.2% overall pass rate.
Which YP year has the highest MOT pass rate?: 2017, at 86.1% of 295 first tests (2005–2025).
How much does the YP pass rate vary by year?: 6.8 percentage points between the highest (2017, 86.1%) and lowest (2014, 79.3%) 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 YP reliability, failures and mileage · ranked #3532 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6