YAMAHA YDS7

249cc Petrol Class 2

#1269 of 5426 overall #50 of 409 YAMAHAs #775 of 2787 other bikes

89.0%

first-time pass rate

4.3%

failed outright

14,928

median miles at test

345

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2017

The YDS7's first-time pass rate has risen 6.1 points since 2012, 91.2% to 97.3%.

Pass rate by mileage

how the YDS7's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage YDS7 passes first time 93.1% of the time; by 20k that's 85.7%.

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 YDS7

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	17	47.2
steering and suspension	10	27.8
tyres and wheels	6	16.7
brakes	2	5.6
fuel and exhaust	1	2.8

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 YDS7 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 YDS7.

Pass rate by registration year

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

Best year to buy used: 1971 (89.1% pass). Weakest: 1972 (89.0%).

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.