Bikes that underperform for their age & mileage

Q: Which motorcycles fail more than you'd expect for their age and mileage?

Models whose pass rate falls furthest below the rate expected for their age, mileage and class (min. 500 scored tests). Top of the list: SHINERAY XY 125 GY.

Which motorcycles fail more than you'd expect for their age and mileage?

XY 125 GY

tops the list, SHINERAY

-30.5pp

vs expected

Full ranking

50 models · min 500 tests · vs expected

#	Bike	vs expected	Pass %	Tests
1	SHINERAY XY 125 GY	-30.5	47.7	669
2	SKYJET SJ 125-23	-29.6	44.7	2,283
3	KAISAR KS 125-23	-27.9	46.7	648
4	POR APACHE 125	-27.4	49.0	535
5	LIFAN LF 125 GY-3	-25.7	49.8	602
6	URBAN DZ 125	-25.2	51.6	755
7	PEUGEOT XR6	-24.2	46.6	519
8	WHITE KNUCKLE 125	-24.0	51.7	909
9	DERBI SENDA (RESTRICTED)	-23.8	46.7	501
10	RIEJU RR 50	-23.6	48.5	592
11	APRILIA MX 125	-23.2	54.8	684
12	RIEJU RS2 50	-22.8	48.5	595
13	KSR Moto TW	-22.4	54.3	788
14	LIFAN LF 125-30	-21.9	52.5	526
15	LIFAN LF 125-14F	-21.8	51.9	983
16	RIEJU RS2	-21.6	50.8	1,426
17	DERBI SENDA SM	-21.0	51.1	949
18	MOTOR HISPANIA RX50	-20.9	51.0	709
19	CPI SM 50	-20.9	52.8	652
20	LEXMOTO XTR	-20.8	55.2	2,334
21	RIEJU MRT 50	-20.8	52.4	542
22	BETTER BT 125-20	-20.3	55.3	970
23	APRILIA RX50	-20.1	50.3	2,978
24	GENERIC TRIGGER SM 50	-19.9	52.6	580
25	GILERA RCR	-19.8	50.5	1,493
26	YAMAHA TZR50	-19.6	52.4	2,039
27	MOTO ROMA MRX 125	-19.5	53.2	584
28	LEXMOTO ASSAULT	-19.1	59.3	1,477
29	PEUGEOT XP6S	-19.1	50.6	884
30	HONDA NS125	-19.0	54.0	2,843
31	AJS JSM	-18.7	56.4	584
32	SUPERBYKE RMR 125	-18.6	53.0	1,602
33	VULCAN CUSTOM	-18.6	56.1	927
34	PULSE XF 125 GY-2B ADRENALINE	-18.4	53.7	2,562
35	LEXMOTO HUNTER 50 TD 50 Q	-18.4	58.7	649
36	LEXMOTO VIPER SK 125-22A	-18.2	58.6	1,024
37	LEXMOTO XFLM	-18.1	55.4	2,738
38	GILERA SMT	-18.1	52.7	1,321
39	GILERA GSM	-18.1	53.7	780
40	LEXMOTO HUNTER 50 E4	-17.9	58.6	672
41	LEXMOTO XTR 125-23	-17.8	54.3	1,868
42	LEXMOTO ZSX	-17.7	57.4	3,907
43	SANYA SY 125-11	-17.7	56.3	833
44	SUKIDA SK 125 T-18	-17.7	56.3	530
45	SINNIS RSX 125	-17.6	57.9	727
46	LEXMOTO ASPIRE	-17.6	59.3	538
47	APRILIA MX50	-17.5	53.1	901
48	MBK NITRO (Y050)	-17.5	53.9	529
49	LEXMOTO ADRENALINE 125 EFi	-17.4	60.2	894
50	PIONEER XF 125 L-4B TORRO	-17.4	57.7	765

Normal tests only, first-time outcomes. Pass rate is the MOT first-time pass, a roadworthiness check rather than a full mechanical-reliability rating. Source: DVSA anonymised MOT results. Small samples are noisier, so weight the test count. Methodology.

Related rankings

Adjusted reliability The most reliable bikes for their age & mileage Models ranked by how far their pass rate beats the rate expected for bikes of the same age, mileage and class (min. 500 scored tests). Overall reliability The most reliable motorcycles in the UK Every model ranked by first-time MOT pass rate (min. 200 tests). By engine size The most reliable 125cc bikes Learner-legal 125s ranked by first-time MOT pass rate. Common failures Bikes most likely to fail on lights Models ranked by the share of tests failing on lighting, signalling, lamps or reflectors. By bike type The most reliable scooters Scooters ranked by first-time MOT pass rate. Popularity & durability The most-tested motorcycles in the UK Models ranked by number of MOT tests, a proxy for how many are on the road.