HONDA CB125F

125cc Petrol Class 1

#3334 of 5426 overall #572 of 921 HONDAs #158 of 205 naked bikes

HONDA CB125F — Photo: Biker6676 · CC BY-SA 4.0

81.2%

first-time pass rate

11.1%

failed outright

8,847

median miles at test

30.6k

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2017–2025

The CB125F's first-time pass rate has fallen 2.5 points since 2017, 82.8% to 80.3%.

Pass rate by mileage

how the CB125F's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage CB125F passes first time 86.2% of the time; by 50k that's 74.5%.

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 CB125F

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
structure and attachments	1,891	24.2	6.3×
lamps and reflectors	1,352	17.3	2.1×
tyres	1,209	15.5	5.1×
brakes	1,199	15.3	0.7×
suspension	1,183	15.1	4.3×
steering	820	10.5	5.2×
wheels	57	0.7	2.9×
Identification of the vehicle	48	0.6	0.7×
audible warning (Horn)	41	0.5	0.7×
drive system	23	0.3	0.1×

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.

Pass rate by registration year

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

Best year to buy used: 2021 (91.1% pass). Weakest: 2015 (79.3%).

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.

HONDA CB125F FAQ

answers computed from the data above · terms in the glossary

Is the HONDA CB125F reliable?

The HONDA CB125F is more reliable than average for its class: 81.2% of its 30,606 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #3334 of 5426 models.

What does a CB125F fail its MOT on most?

structure and attachments — 24% of all defects recorded against failed CB125F tests.

What is the best year of CB125F to buy used?

By first-time pass rate, 2021-registered examples do best (91.1%) and 2015 worst (79.3%). Condition and history still trump the year.

How many miles will a CB125F last?

The median CB125F shows 8,847 miles at test, and examples around 50k miles still pass 74.5% of the time — mileage alone rarely kills one.