RIEJU RS2 50

49cc Petrol Class 1

#5401 of 5426 overall #13 of 16 RIEJUs #445 of 455 moped bikes

48.5%

first-time pass rate

40.5%

failed outright

9,735

median miles at test

619

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2016

The RS2 50's first-time pass rate has risen 2.2 points since 2007, 47.8% to 50.0%.

What fails on a RS2 50

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	340	33.8	6.2×
steering and suspension	270	26.8	8.1×
brakes	151	15	3.5×
drive system	81	8	13.2×
body and structure	51	5.1	12.5×
lamps and reflectors	40	4	2.0×
tyres and wheels	24	2.4	1.8×
structure and attachments	20	2	2.8×
fuel and exhaust	18	1.8	3.6×
suspension	12	1.2	2.0×

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 RS2 50 beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k tests

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 RS2 50.

Pass rate by registration year

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

Best year to buy used: 2003 (50.8% pass). Weakest: 2007 (38.7%).

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 RS2 50 FAQ

answers computed from the data above · terms in the glossary

Is the RIEJU RS2 50 reliable?

The RIEJU RS2 50 is less reliable than average for its class: 48.5% of its 619 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5401 of 5426 models.

What does a RS2 50 fail its MOT on most?

lighting and signalling — 34% of all defects recorded against failed RS2 50 tests.

What is the best year of RS2 50 to buy used?

By first-time pass rate, 2003-registered examples do best (50.8%) and 2007 worst (38.7%). Condition and history still trump the year.