BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ MBK/STUNT
Model report · 2005–2025

MBK STUNT

49cc Petrol Class 1
#4983 of 5426 overall #8 of 13 MBKs #311 of 455 moped bikes
65.7%
first-time pass rate
22.6%
failed outright
6,916
median miles at test
429
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2010

The STUNT's first-time pass rate has held steady since 2006 (62.5% → 62.9%).

60%66%72%2006: 62.5% pass (72 tests)2007: 70.3% pass (64 tests)2008: 61.7% pass (47 tests)2009: 69.8% pass (43 tests)2010: 62.9% pass (35 tests)20062010

What fails on a STUNT

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
121 42.6
brakes
51 18
steering and suspension
46 16.2
lamps and reflectors
19 6.7
fuel and exhaust
17 6
reg plates and vin
11 3.9
tyres and wheels
8 2.8
suspension
4 1.4
body and structure
4 1.4
tyres
3 1.1

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 STUNT beats 2 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 STUNT.

Pass rate by registration year

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

Best year to buy used: 2003 (67.4% pass). Weakest: 2001 (63.1%).

62%65%68%2001: 63.1% pass (65 tests)2002: 65.3% pass (199 tests)2003: 67.4% pass (138 tests)200120022003

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.