BSA ROCKET THREE

750cc Petrol Class 2

93.9%

first-time pass rate

2.6%

failed outright

25,926

median miles at test

114

MOT tests, 2005–2025

What fails on a ROCKET THREE

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	7	70
steering and suspension	2	20
brakes	1	10

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 ROCKET THREE beats 4 of its 4 closest rivals (TRIUMPH BONNEVILLE, TRIUMPH THUNDERBIRD, HARLEY-DAVIDSON XLH 883).

TRIUMPH BONNEVILLE 89.0% pass · 195k tests TRIUMPH THUNDERBIRD 87.8% pass · 56.3k tests HARLEY-DAVIDSON XLH 883 87.4% pass · 41.2k tests HARLEY-DAVIDSON XL 87.9% pass · 18.5k 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 ROCKET THREE.

Pass rate by registration year

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

Best year to buy used: 1971 (91.2% pass). Weakest: 1971 (91.2%).

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.