Model report · 2005–2025
YAMAHA RD350B
347cc
Petrol
Class 2
87.5%
first-time pass rate
2.3%
failed outright
17,171
median miles at test
88
MOT tests, 2005–2025
What fails on a RD350B
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
3 | 50 |
| lighting and signalling |
|
2 | 33.3 |
| steering and suspension |
|
1 | 16.7 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
same type, similar capacity, high test volume
On first-time pass rate the RD350B beats 4 of its 4 closest rivals (SUZUKI AN400, SUZUKI DR-Z400S, YAMAHA RD350).
SUZUKI
AN400
86.2% pass · 27.1k tests
SUZUKI
DR-Z400S
80.4% pass · 26.8k tests
YAMAHA
RD350
86.3% pass · 19.6k tests
KAWASAKI
ZXR400
73.1% pass · 14.2k tests
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 RD350B.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 1975 (84.0% pass). Weakest: 1975 (84.0%).
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.