Model report · 2005–2025
YAMASAKI F51-50Q
48cc
Petrol
Class 1
69.1%
first-time pass rate
24.7%
failed outright
3,422
median miles at test
81
MOT tests, 2005–2025
What fails on a F51-50Q
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lamps and reflectors |
|
40 | 38.5 |
| structure and attachments |
|
27 | 26 |
| brakes |
|
22 | 21.2 |
| suspension |
|
10 | 9.6 |
| steering |
|
2 | 1.9 |
| tyres |
|
2 | 1.9 |
| Identification of the vehicle |
|
1 | 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 F51-50Q beats 2 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).
PEUGEOT
SPEEDFIGHT
65.2% pass · 83.7k tests
PIAGGIO
ZIP
71.3% pass · 79.0k tests
PIAGGIO
NRG
65.5% pass · 40.5k tests
PEUGEOT
VIVACITY
70.4% pass · 29.7k 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 F51-50Q.