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

MOTORINI GP 50

50cc Petrol Class 1
71.1%
first-time pass rate
21.8%
failed outright
7,643
median miles at test
298
MOT tests, 2005–2025

Pass rate over time

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

The GP 50's first-time pass rate has fallen 12.1 points since 2020, 77.6% to 65.5%.

62%72%81%2020: 77.6% pass (49 tests)2021: 74.4% pass (82 tests)2022: 70.8% pass (65 tests)2023: 65.5% pass (55 tests)20202023

What fails on a GP 50

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
76 44.2
suspension
29 16.9
brakes
23 13.4
tyres
13 7.6
structure and attachments
12 7
steering
11 6.4
audible warning (Horn)
6 3.5
Identification of the vehicle
2 1.2

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 GP 50 beats 3 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 GP 50.

Pass rate by registration year

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

Best year to buy used: 2018 (71.1% pass). Weakest: 2017 (70.2%).

69%71%72%2017: 70.2% pass (124 tests)2018: 71.1% pass (166 tests)20172018

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.