Pass rate over time
The R 18's first-time pass rate has risen 4.0 points since 2023, 92.2% to 96.2%.
What fails on a R 18
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| Identification of the vehicle |
|
3 | 60 |
| tyres |
|
1 | 20 |
| wheels |
|
1 | 20 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the R 18 beats 4 of its 4 closest rivals (SUZUKI GSX1400, SUZUKI GSX1300R, YAMAHA FJR1300A).
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 R 18.
Pass rate by registration year
Best year to buy used: 2022 (96.3% pass). Weakest: 2020 (95.6%).
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.