DERBI X-RACE 50 R

49cc Petrol Class 1

44.7%

first-time pass rate

40.2%

failed outright

9,190

median miles at test

132

MOT tests, 2005–2025

What fails on a X-RACE 50 R

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	71	35
steering and suspension	31	15.3
brakes	26	12.8
drive system	21	10.3
tyres and wheels	12	5.9
suspension	12	5.9
lamps and reflectors	11	5.4
reg plates and vin	8	3.9
structure and attachments	6	3
body and structure	5	2.5

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 X-RACE 50 R 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 X-RACE 50 R.

Pass rate by registration year

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

Best year to buy used: 2010 (45.3% pass). Weakest: 2010 (45.3%).

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.