Pass rate over time
The R50 X's first-time pass rate has risen 22.3 points since 2009, 64.2% to 86.5%.
What fails on a R50 X
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| brakes |
|
317 | 31.8 | 2.7× |
| lighting and signalling |
|
223 | 22.4 | 1.7× |
| steering and suspension |
|
177 | 17.8 | 2.3× |
| tyres and wheels |
|
59 | 5.9 | 1.2× |
| suspension |
|
58 | 5.8 | 3.1× |
| lamps and reflectors |
|
51 | 5.1 | 1.2× |
| tyres |
|
43 | 4.3 | 2.6× |
| structure and attachments |
|
34 | 3.4 | 2.1× |
| body and structure |
|
18 | 1.8 | 1.7× |
| fuel and exhaust |
|
17 | 1.7 | 1.2× |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.
How rivals compare
On first-time pass rate the R50 X beats 2 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).
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 R50 X.
Pass rate by registration year
Best year to buy used: 2015 (80.9% pass). Weakest: 2006 (61.3%).
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.
TGB R50 X FAQ
Is the TGB R50 X reliable?
The TGB R50 X is less reliable than average for its class: 70.3% of its 1,879 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4704 of 5426 models.
What does a R50 X fail its MOT on most?
brakes — 32% of all defects recorded against failed R50 X tests.
What is the best year of R50 X to buy used?
By first-time pass rate, 2015-registered examples do best (80.9%) and 2006 worst (61.3%). Condition and history still trump the year.