YAMAHA SEROW 225

225cc Petrol Class 2

#2306 of 5426 overall #116 of 409 YAMAHAs #1441 of 2787 other bikes

85.7%

first-time pass rate

7.5%

failed outright

14,856

median miles at test

308

MOT tests, 2005–2025

Pass rate by mileage

how the SEROW 225's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage SEROW 225 passes first time 83.8% of the time; by 20k that's 85.1%.

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 SEROW 225

failure defects by component group · advisories excluded

Component group	Defects	% of defects
tyres and wheels	16	26.7
steering and suspension	15	25
lighting and signalling	13	21.7
brakes	5	8.3
structure and attachments	4	6.7
reg plates and vin	3	5
lamps and reflectors	1	1.7
fuel and exhaust	1	1.7
suspension	1	1.7
drive system	1	1.7

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 SEROW 225 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 SEROW 225.

Pass rate by registration year

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

Best year to buy used: 1992 (86.9% pass). Weakest: 1992 (86.9%).

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.