SWM RS

298cc Petrol Class 2

#2593 of 5426 overall #1 of 1 SWMs #1632 of 2787 other bikes

84.6%

first-time pass rate

7.5%

failed outright

2,858

median miles at test

228

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2023

The RS's first-time pass rate has held steady since 2020 (83.3% → 82.9%).

What fails on a RS

failure defects by component group · advisories excluded

Component group	Defects	% of defects
suspension	13	36.1
lamps and reflectors	12	33.3
Identification of the vehicle	4	11.1
tyres	3	8.3
structure and attachments	2	5.6
brakes	1	2.8
audible warning (Horn)	1	2.8

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 RS beats 2 of its 4 closest rivals (SUZUKI AN400, YAMAHA RD350, YAMAHA YP250).

SUZUKI AN400 86.2% pass · 27.1k tests YAMAHA RD350 86.3% pass · 19.6k tests YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k 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 RS.

Pass rate by registration year

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

Best year to buy used: 2017 (85.4% pass). Weakest: 2016 (76.4%).

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.