KAWASAKI KH100 EX

99cc Petrol Class 1

68.0%

first-time pass rate

20.9%

failed outright

14,463

median miles at test

172

MOT tests, 2005–2025

Pass rate by mileage

how the KH100 EX's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage KH100 EX passes first time 79.4% of the time; by 20k that's 63.3%.

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 KH100 EX

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	75	55.6
steering and suspension	20	14.8
brakes	15	11.1
drive system	7	5.2
body and structure	6	4.4
tyres and wheels	6	4.4
fuel and exhaust	3	2.2
lamps and reflectors	2	1.5
reg plates and vin	1	0.7

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 KH100 EX beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA C90, HONDA CG125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA C90 79.3% pass · 92.8k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k 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 KH100 EX.

Pass rate by registration year

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

Best year to buy used: 1991 (71.7% pass). Weakest: 1991 (71.7%).

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.