MASH XY 400-2

397cc Petrol Class 2

#3626 of 5426 overall #2 of 4 MASHs #2313 of 2787 other bikes

79.8%

first-time pass rate

7.2%

failed outright

2,907

median miles at test

208

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The XY 400-2's first-time pass rate has risen 21.4 points since 2021, 69.2% to 90.6%.

What fails on a XY 400-2

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	17	73.9
structure and attachments	3	13
tyres	2	8.7
Identification of the vehicle	1	4.3

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 XY 400-2 beats 2 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

KAWASAKI ER5 77.4% pass · 53.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k 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 XY 400-2.

Pass rate by registration year

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

Best year to buy used: 2017 (84.0% pass). Weakest: 2018 (75.5%).

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.