BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

BSA RGS

650cc Petrol Class 2
97.0%
first-time pass rate
0.0%
failed outright
2,510
median miles at test
169
MOT tests, 2005–2025

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the RGS 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 RGS.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 1962 (98.2% pass). Weakest: 1963 (93.9%).

93%96%99%1962: 98.2% pass (56 tests)1963: 93.9% pass (66 tests)19621963

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.