Yamaha NXC: MOT pass rate by registration year

Which NXC years pass first time, and which fall short of the model's 78.4% average, from 602 DVSA tests.

2016

highest-passing year · 82.8%

2014

lowest-passing year · 76.9%

5.9pp

spread across 3 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: 2016 (82.8% of 134 tests). Lowest: 2014 (76.9% of 52).

Registered	Tests	First-time pass	vs model (78.4%)
2014	52	76.9%	-1.5 pp
2015	255	79.2%	+0.8 pp
2016	134	82.8%	+4.4 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 · 2018–2025

Questions

Which NXC years have the lowest MOT pass rate?: none: no registration year of the Yamaha NXC falls more than two points under the model's 78.4% overall pass rate.
Which NXC year has the highest MOT pass rate?: 2016, at 82.8% of 134 first tests (2005–2025).
How much does the NXC pass rate vary by year?: 5.9 percentage points between the highest (2016, 82.8%) and lowest (2014, 76.9%) 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 NXC reliability, failures and mileage · ranked #3855 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6