BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ BSA/ROAD ROCKET
Model report · 2005–2025
90.9%
first-time pass rate
2.9%
failed outright
6,298
median miles at test
275
MOT tests, 2005–2025

What fails on a ROAD ROCKET

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
9 47.4
steering and suspension
4 21.1
brakes
3 15.8
driving controls
2 10.5
suspension
1 5.3

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 ROAD ROCKET beats 1 of its 1 closest rivals (HONDA SHADOW).

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 ROAD ROCKET.

Pass rate by registration year

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

Best year to buy used: 1956 (94.6% pass). Weakest: 1957 (92.0%).

91%93%95%1956: 94.6% pass (56 tests)1957: 92.0% pass (50 tests)19561957

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.