MONTESA COTA 4RT
Pass rate over time
The COTA 4RT's first-time pass rate has risen 2.5 points since 2009, 89.4% to 91.9%.
What fails on a COTA 4RT
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| steering and suspension |
|
22 | 23.4 | 0.7× |
| tyres and wheels |
|
20 | 21.3 | 0.9× |
| reg plates and vin |
|
17 | 18.1 | 1.9× |
| lighting and signalling |
|
16 | 17 | 0.5× |
| brakes |
|
8 | 8.5 | 0.2× |
| steering |
|
3 | 3.2 | 1.0× |
| tyres |
|
2 | 2.1 | 0.2× |
| Items Not Tested |
|
2 | 2.1 | 1.5× |
| Identification of the vehicle |
|
2 | 2.1 | 1.2× |
| suspension |
|
2 | 2.1 | 0.2× |
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 COTA 4RT beats 4 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).
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 COTA 4RT.
Pass rate by registration year
Best year to buy used: 2007 (95.3% pass). Weakest: 2006 (86.4%).
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.
MONTESA COTA 4RT FAQ
Is the MONTESA COTA 4RT reliable?
The MONTESA COTA 4RT is more reliable than average for its class: 90.2% of its 732 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #883 of 5426 models.
What does a COTA 4RT fail its MOT on most?
steering and suspension — 23% of all defects recorded against failed COTA 4RT tests.
What is the best year of COTA 4RT to buy used?
By first-time pass rate, 2007-registered examples do best (95.3%) and 2006 worst (86.4%). Condition and history still trump the year.