Pass rate over time
The RD500's first-time pass rate has risen 4.4 points since 2006, 88.1% to 92.5%.
Pass rate by mileage
A low-mileage RD500 passes first time 91.4% of the time; by 50k that's 93.8%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a RD500
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
73 | 26.2 | 0.5× |
| brakes |
|
71 | 25.4 | 0.6× |
| steering and suspension |
|
66 | 23.7 | 0.8× |
| lamps and reflectors |
|
14 | 5 | 0.3× |
| suspension |
|
11 | 3.9 | 0.7× |
| tyres and wheels |
|
10 | 3.6 | 0.2× |
| fuel and exhaust |
|
9 | 3.2 | 0.6× |
| drive system |
|
9 | 3.2 | 0.5× |
| driving controls |
|
9 | 3.2 | 2.0× |
| reg plates and vin |
|
7 | 2.5 | 0.6× |
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 RD500 beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).
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 RD500.
Pass rate by registration year
Best year to buy used: 1984 (91.4% pass). Weakest: 1986 (85.3%).
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.
YAMAHA RD500 FAQ
Is the YAMAHA RD500 reliable?
The YAMAHA RD500 is more reliable than average for its class: 89.0% of its 1,955 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1269 of 5426 models.
What does a RD500 fail its MOT on most?
lighting and signalling — 26% of all defects recorded against failed RD500 tests.
What is the best year of RD500 to buy used?
By first-time pass rate, 1984-registered examples do best (91.4%) and 1986 worst (85.3%). Condition and history still trump the year.
How many miles will a RD500 last?
The median RD500 shows 20,156 miles at test, and examples around 50k miles still pass 93.8% of the time — mileage alone rarely kills one.