YAMAHA WR426F

426cc Petrol Class 2

#4450 of 5426 overall #339 of 409 YAMAHAs #2716 of 2787 other bikes

73.5%

first-time pass rate

18.7%

failed outright

3,222

median miles at test

332

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2008

The WR426F's first-time pass rate has fallen 19.3 points since 2006, 81.8% to 62.5%.

What fails on a WR426F

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	77	38.7
steering and suspension	38	19.1
brakes	23	11.6
tyres and wheels	22	11.1
reg plates and vin	13	6.5
suspension	9	4.5
fuel and exhaust	8	4
lamps and reflectors	4	2
audible warning (Horn)	3	1.5
drive system	2	1

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 WR426F beats 0 of its 4 closest rivals (KAWASAKI ER5, YAMAHA XV535, SUZUKI GS500).

KAWASAKI ER5 77.4% pass · 53.1k tests YAMAHA XV535 82.7% pass · 48.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k 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 WR426F.

Pass rate by registration year

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

Best year to buy used: 2002 (75.8% pass). Weakest: 2001 (70.4%).

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.