Model report · 2005–2025
SINNIS JET II
50cc
Petrol
Class 1
66.7%
first-time pass rate
26.5%
failed outright
3,268
median miles at test
102
MOT tests, 2005–2025
Pass rate over time
first-time pass rate by test year · 2023–2024
The JET II's first-time pass rate has fallen 20.8 points since 2023, 76.7% to 55.9%.
What fails on a JET II
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lamps and reflectors |
|
43 | 50.6 |
| suspension |
|
13 | 15.3 |
| steering |
|
10 | 11.8 |
| brakes |
|
6 | 7.1 |
| audible warning (Horn) |
|
5 | 5.9 |
| structure and attachments |
|
4 | 4.7 |
| tyres |
|
2 | 2.4 |
| wheels |
|
1 | 1.2 |
| Identification of the vehicle |
|
1 | 1.2 |
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 JET II 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 JET II.