Yamaha YP 400 Ra X-Max Abs: MOT pass rate by registration year

Which YP 400 Ra X-Max Abs years pass first time, and which fall short of the model's 88.8% average, from 805 DVSA tests.

2019

highest-passing year · 94.0%

2018

lowest-passing year · 87.2%

6.8pp

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: 2019 (94.0% of 134 tests). Lowest: 2018 (87.2% of 376).

Registered	Tests	First-time pass	vs model (88.8%)
2017	169	87.6%	-1.2 pp
2018	376	87.2%	-1.6 pp
2019	134	94.0%	+5.2 pp
2020	103	88.3%	-0.5 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 · 2020–2025

Questions

Which YP 400 Ra X-Max Abs years have the lowest MOT pass rate?: none: no registration year of the Yamaha YP 400 Ra X-Max Abs falls more than two points under the model's 88.8% overall pass rate.
Which YP 400 Ra X-Max Abs year has the highest MOT pass rate?: 2019, at 94.0% of 134 first tests (2005–2025).
How much does the YP 400 Ra X-Max Abs pass rate vary by year?: 6.8 percentage points between the highest (2019, 94.0%) and lowest (2018, 87.2%) 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 400 Ra X-Max Abs reliability, failures and mileage · ranked #1332 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6