CZ 250

246cc Petrol Class 2

#2384 of 5426 overall #2 of 3 CZs #1491 of 2787 other bikes

85.4%

first-time pass rate

8.9%

failed outright

9,742

median miles at test

315

MOT tests, 2005–2025

Pass rate by mileage

how the 250's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage 250 passes first time 85.7% of the time; by 20k that's 85.4%.

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 250

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	22	32.8
steering and suspension	17	25.4
brakes	13	19.4
tyres and wheels	4	6
fuel and exhaust	4	6
body and structure	4	6
drive system	1	1.5
structure and attachments	1	1.5
reg plates and vin	1	1.5

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 250 beats 4 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 tests HONDA CBF250 84.9% pass · 7,536 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 250.

Pass rate by registration year

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

Best year to buy used: 1983 (91.4% pass). Weakest: 1983 (91.4%).

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.