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

VESPA (DOUGLAS) 50 SPECIAL

49cc Petrol Class 1
83.9%
first-time pass rate
10.4%
failed outright
5,490
median miles at test
454
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2008–2017

The 50 SPECIAL's first-time pass rate has fallen 4.4 points since 2008, 85.7% to 81.3%.

67%78%89%2008: 85.7% pass (35 tests)2010: 71.0% pass (31 tests)2011: 85.7% pass (42 tests)2012: 83.7% pass (43 tests)2013: 79.5% pass (39 tests)2014: 79.5% pass (39 tests)2017: 81.3% pass (32 tests)20082017

What fails on a 50 SPECIAL

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
40 38.5
steering and suspension
17 16.3
brakes
16 15.4
lamps and reflectors
6 5.8
tyres and wheels
5 4.8
Items Not Tested
5 4.8
body and structure
5 4.8
driving controls
5 4.8
fuel and exhaust
3 2.9
reg plates and vin
2 1.9

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 50 SPECIAL 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 50 SPECIAL.

Pass rate by registration year

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

Best year to buy used: 1982 (88.7% pass). Weakest: 1981 (71.0%).

67%80%92%1981: 71.0% pass (62 tests)1982: 88.7% pass (71 tests)1983: 82.1% pass (84 tests)198119821983

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.