Model report · 2005–2025
YAMAHA DT100
97cc
Petrol
Class 1
82.4%
first-time pass rate
9.0%
failed outright
7,512
median miles at test
221
MOT tests, 2005–2025
What fails on a DT100
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
33 | 50.8 |
| brakes |
|
6 | 9.2 |
| steering and suspension |
|
6 | 9.2 |
| body and structure |
|
4 | 6.2 |
| tyres and wheels |
|
4 | 6.2 |
| drive system |
|
3 | 4.6 |
| wheels |
|
3 | 4.6 |
| lamps and reflectors |
|
3 | 4.6 |
| steering |
|
2 | 3.1 |
| fuel and exhaust |
|
1 | 1.5 |
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 DT100 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA C90, HONDA CG125).
YAMAHA
YBR 125
71.0% pass · 125k tests
HONDA
C90
79.3% pass · 92.8k tests
HONDA
CG125
72.2% pass · 89.3k tests
HONDA
CBF125
73.3% pass · 84.4k 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 DT100.