Model report · 2005–2025
MUTT MONGREL 250
249cc
Petrol
Class 2
79.4%
first-time pass rate
14.7%
failed outright
2,959
median miles at test
68
MOT tests, 2005–2025
What fails on a MONGREL 250
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lamps and reflectors |
|
12 | 44.4 |
| brakes |
|
5 | 18.5 |
| structure and attachments |
|
5 | 18.5 |
| audible warning (Horn) |
|
3 | 11.1 |
| Identification of the vehicle |
|
1 | 3.7 |
| wheels |
|
1 | 3.7 |
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 MONGREL 250 beats 2 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 MONGREL 250.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 2020 (81.1% pass). Weakest: 2020 (81.1%).
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.