Model report · 2005–2025
YAMAHA DT175MX
171cc
Petrol
Class 1
85.7%
first-time pass rate
6.3%
failed outright
11,567
median miles at test
301
MOT tests, 2005–2025
What fails on a DT175MX
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
22 | 62.9 |
| steering and suspension |
|
5 | 14.3 |
| tyres and wheels |
|
3 | 8.6 |
| fuel and exhaust |
|
2 | 5.7 |
| lamps and reflectors |
|
1 | 2.9 |
| Identification of the vehicle |
|
1 | 2.9 |
| reg plates and vin |
|
1 | 2.9 |
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 DT175MX beats 0 of its 1 closest rivals (BSA BANTAM).
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 DT175MX.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 1981 (85.7% pass). Weakest: 1979 (83.8%).
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.