BSA SLOPER

493cc Petrol Class 2

#524 of 5426 overall #25 of 62 BSAs #321 of 2787 other bikes

91.7%

first-time pass rate

0.5%

failed outright

8,236

median miles at test

206

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2008

The SLOPER's first-time pass rate has risen 3.2 points since 2006, 87.1% to 90.3%.

What fails on a SLOPER

failure defects by component group · advisories excluded

Component group	Share of defects	Defects	% of defects
steering and suspension		1	100

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 SLOPER beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests YAMAHA FZ6 85.2% pass · 67.1k 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 SLOPER.

Pass rate by registration year

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

Best year to buy used: 1929 (94.1% pass). Weakest: 1929 (94.1%).

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.