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

SKYWING SW50F

49cc Petrol Class 1
85.6%
first-time pass rate
2.3%
failed outright
2
median miles at test
436
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2013

The SW50F's first-time pass rate has fallen 37.3 points since 2006, 92.6% to 55.3%.

46%73%100%2006: 92.6% pass (108 tests)2007: 89.7% pass (156 tests)2010: 87.5% pass (32 tests)2013: 55.3% pass (38 tests)20062013

What fails on a SW50F

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
9 37.5
lighting and signalling
9 37.5
structure and attachments
4 16.7
steering and suspension
2 8.3

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 SW50F beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

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 SW50F.

Pass rate by registration year

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

Best year to buy used: 2003 (85.4% pass). Weakest: 2003 (85.4%).

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.