KAWASAKI BN 125 A7F

124cc Petrol Class 1

#4274 of 5426 overall #522 of 592 KAWASAKIs #228 of 734 commuter bikes

75.2%

first-time pass rate

15.4%

failed outright

7,486

median miles at test

1,204

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2025

The BN 125 A7F's first-time pass rate has risen 2.4 points since 2010, 75.7% to 78.1%.

Pass rate by mileage

how the BN 125 A7F's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage BN 125 A7F passes first time 78.3% of the time; by 20k that's 74.2%.

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 BN 125 A7F

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	134	33.4	2.0×
lighting and signalling	60	15	1.1×
drive system	54	13.5	4.4×
steering and suspension	52	13	1.1×
structure and attachments	24	6	1.5×
fuel and exhaust	19	4.7	1.6×
tyres and wheels	19	4.7	0.8×
lamps and reflectors	18	4.5	0.6×
reg plates and vin	12	3	1.4×
suspension	9	2.2	0.9×

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 BN 125 A7F 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 BN 125 A7F.

Pass rate by registration year

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

Best year to buy used: 2007 (76.0% pass). Weakest: 2008 (70.4%).

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.

KAWASAKI BN 125 A7F FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI BN 125 A7F reliable?

The KAWASAKI BN 125 A7F is about average for its class: 75.2% of its 1,204 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4274 of 5426 models.

What does a BN 125 A7F fail its MOT on most?

brakes — 33% of all defects recorded against failed BN 125 A7F tests.

How many miles will a BN 125 A7F last?

The median BN 125 A7F shows 7,486 miles at test, and examples around 20k miles still pass 74.2% of the time — mileage alone rarely kills one.