KTM 300 EXC TPI 18
Pass rate over time
The 300 EXC TPI 18's first-time pass rate has risen 1.3 points since 2020, 79.4% to 80.7%.
What fails on a 300 EXC TPI 18
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lamps and reflectors |
|
34 | 32.7 | 2.1× |
| suspension |
|
30 | 28.8 | 5.7× |
| audible warning (Horn) |
|
10 | 9.6 | 10.0× |
| brakes |
|
10 | 9.6 | 0.4× |
| Identification of the vehicle |
|
8 | 7.7 | 6.3× |
| structure and attachments |
|
6 | 5.8 | 1.6× |
| tyres |
|
6 | 5.8 | 1.6× |
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 300 EXC TPI 18 beats 3 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).
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 300 EXC TPI 18.
Pass rate by registration year
Best year to buy used: 2018 (84.8% pass). Weakest: 2017 (80.8%).
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.
KTM 300 EXC TPI 18 FAQ
Is the KTM 300 EXC TPI 18 reliable?
The KTM 300 EXC TPI 18 is about average for its class: 83.6% of its 549 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2835 of 5426 models.
What does a 300 EXC TPI 18 fail its MOT on most?
lamps and reflectors — 33% of all defects recorded against failed 300 EXC TPI 18 tests.