KAWASAKI RN 125-A6

124cc Petrol Class 1

#4818 of 5426 overall #584 of 592 KAWASAKIs #425 of 734 commuter bikes

68.6%

first-time pass rate

21.7%

failed outright

7,667

median miles at test

424

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2013

The RN 125-A6's first-time pass rate has fallen 8.1 points since 2007, 71.4% to 63.3%.

Pass rate by mileage

how the RN 125-A6's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage RN 125-A6 passes first time 70.4% of the time; by 20k that's 60.5%.

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 RN 125-A6

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	73	39.2
lighting and signalling	29	15.6
drive system	22	11.8
steering and suspension	20	10.8
structure and attachments	9	4.8
driving controls	8	4.3
tyres and wheels	7	3.8
fuel and exhaust	7	3.8
lamps and reflectors	6	3.2
Items Not Tested	5	2.7

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the RN 125-A6 beats 0 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 RN 125-A6.

Pass rate by registration year

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

Best year to buy used: 2003 (68.9% pass). Weakest: 2004 (65.1%).

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.