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

RIEJU MRT 50

50cc Petrol Class 1
52.4%
first-time pass rate
34.8%
failed outright
6,320
median miles at test
626
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2025

The MRT 50's first-time pass rate has risen 9.2 points since 2013, 50.0% to 59.2%.

38%53%67%2013: 50.0% pass (30 tests)2014: 54.7% pass (53 tests)2015: 42.9% pass (70 tests)2016: 44.0% pass (91 tests)2017: 53.2% pass (77 tests)2018: 58.5% pass (41 tests)2019: 56.3% pass (32 tests)2020: 51.6% pass (31 tests)2021: 62.2% pass (37 tests)2023: 57.9% pass (38 tests)2024: 53.3% pass (45 tests)2025: 59.2% pass (49 tests)20132025

What fails on a MRT 50

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
266 30.4 4.1×
brakes
153 17.5 3.7×
lamps and reflectors
149 17 6.5×
steering and suspension
90 10.3 3.2×
structure and attachments
62 7.1 9.1×
drive system
46 5.3 7.7×
suspension
35 4 5.9×
tyres and wheels
30 3.4 2.0×
steering
24 2.7 6.9×
audible warning (Horn)
19 2.2 16.6×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the MRT 50 beats 0 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 MRT 50.

Pass rate by registration year

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

Best year to buy used: 2011 (53.3% pass). Weakest: 2013 (48.8%).

48%51%54%2010: 51.2% pass (123 tests)2011: 53.3% pass (150 tests)2012: 51.1% pass (135 tests)2013: 48.8% pass (84 tests)201020122013

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.

RIEJU MRT 50 FAQ

answers computed from the data above · terms in the glossary

Is the RIEJU MRT 50 reliable?

The RIEJU MRT 50 is less reliable than average for its class: 52.4% of its 626 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5370 of 5426 models.

What does a MRT 50 fail its MOT on most?

lighting and signalling — 30% of all defects recorded against failed MRT 50 tests.

What is the best year of MRT 50 to buy used?

By first-time pass rate, 2011-registered examples do best (53.3%) and 2013 worst (48.8%). Condition and history still trump the year.