YAMAHA NXC125

125cc Petrol Class 1

#3816 of 5426 overall #262 of 409 YAMAHAs #133 of 734 commuter bikes

78.7%

first-time pass rate

15.5%

failed outright

13,894

median miles at test

20.6k

MOT tests, 2005–2025

Pass rate over time

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

The NXC125's first-time pass rate has fallen 4.9 points since 2007, 83.5% to 78.6%.

Pass rate by mileage

how the NXC125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage NXC125 passes first time 86.1% of the time; by 50k that's 71.4%.

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 NXC125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	2,176	33.9	1.8×
tyres and wheels	1,339	20.9	2.7×
steering and suspension	888	13.8	1.1×
lighting and signalling	672	10.5	0.6×
tyres	497	7.7	2.9×
suspension	296	4.6	1.5×
lamps and reflectors	292	4.5	0.7×
steering	131	2	1.4×
audible warning (Horn)	77	1.2	2.0×
body and structure	53	0.8	0.5×

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 NXC125 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 NXC125.

Pass rate by registration year

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

Best year to buy used: 2010 (81.3% pass). Weakest: 2004 (75.9%).

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 NXC125 FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA NXC125 reliable?

The YAMAHA NXC125 is more reliable than average for its class: 78.7% of its 20,601 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3816 of 5426 models.

What does a NXC125 fail its MOT on most?

brakes — 34% of all defects recorded against failed NXC125 tests.

What is the best year of NXC125 to buy used?

By first-time pass rate, 2013-registered examples do best (81.3%) and 2004 worst (75.9%). Condition and history still trump the year.

How many miles will a NXC125 last?

The median NXC125 shows 13,894 miles at test, and examples around 50k miles still pass 71.4% of the time — mileage alone rarely kills one.