YAMAHA NXC 125 CYGNUS

124cc Petrol Class 1

#3950 of 5426 overall #280 of 409 YAMAHAs #162 of 734 commuter bikes

77.7%

first-time pass rate

15.3%

failed outright

14,428

median miles at test

8,673

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2025

The NXC 125 CYGNUS's first-time pass rate has fallen 13.5 points since 2007, 91.0% to 77.5%.

Pass rate by mileage

how the NXC 125 CYGNUS's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage NXC 125 CYGNUS passes first time 85.3% of the time; by 50k that's 64.7%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a NXC 125 CYGNUS

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	944	34.3	1.8×
tyres and wheels	639	23.2	3.1×
steering and suspension	380	13.8	1.1×
lighting and signalling	314	11.4	0.7×
tyres	161	5.9	2.1×
lamps and reflectors	107	3.9	0.6×
suspension	99	3.6	1.1×
steering	60	2.2	1.5×
audible warning (Horn)	25	0.9	1.6×
fuel and exhaust	23	0.8	0.3×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the NXC 125 CYGNUS beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k tests

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the NXC 125 CYGNUS.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2012 (81.9% pass). Weakest: 2006 (75.3%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

YAMAHA NXC 125 CYGNUS FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA NXC 125 CYGNUS reliable?

The YAMAHA NXC 125 CYGNUS is more reliable than average for its class: 77.7% of its 8,673 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3950 of 5426 models.

What does a NXC 125 CYGNUS fail its MOT on most?

brakes — 34% of all defects recorded against failed NXC 125 CYGNUS tests.

What is the best year of NXC 125 CYGNUS to buy used?

By first-time pass rate, 2012-registered examples do best (81.9%) and 2006 worst (75.3%). Condition and history still trump the year.

How many miles will a NXC 125 CYGNUS last?

The median NXC 125 CYGNUS shows 14,428 miles at test, and examples around 50k miles still pass 64.7% of the time — mileage alone rarely kills one.