BIKERELIABILITY Reg check
League table/ Rankings/Bikes most likely to fail on structure & corrosion
Common failures · 2005–2025

Bikes most likely to fail on structure & corrosion

Which motorcycles fail their MOT on structure, body or corrosion most often?

R7
tops the list, AJS
24.1%
structure failure rate

Full ranking

50 models · min 200 tests · Structure failure rate
# Bike Structure failure rate Structure failure rate % Pass % Tests
1 AJS R7
24.1 44.8 212
2 LEXMOTO ZSA
20.1 46.4 483
3 WHITE KNUCKLE XY
18.9 45.6 206
4 AJS TN
17.6 52.5 244
5 SINNIS APACHE SMR
17.1 60.1 298
6 SFM ZZ
17.1 55.6 234
7 ZONTES TIGER
16.9 60.1 278
8 YINGANG YG 48 Q-5
16.8 62.3 220
9 LEXMOTO HAWK 125 XGJ 125-28
16.4 59.4 372
10 SKYJET SJ
16.3 50.3 374
11 WHITE KNUCKLE 125
15.6 51.7 924
12 SINNIS RSX 125
15.4 57.9 746
13 LEXMOTO HUNTER 50 E4
15.4 58.6 677
14 LEXMOTO ARROW
15.3 58.0 1,547
15 KSR Moto TW
15.2 54.3 864
16 LEXMOTO HUNTER 50 TD 50 Q
15.2 58.7 693
17 LEXMOTO XFLM
15.1 55.4 2,817
18 LEXMOTO ASSAULT 125 HJ 125-J E4
15.0 62.6 977
19 LEXMOTO ASSAULT
14.9 59.3 1,627
20 LEXMOTO ASPIRE 50 TD 50 Q-2
14.9 62.6 455
21 WK BIKES 125
14.8 54.9 446
22 LEXMOTO ADRENALINE 125 EFi
14.3 60.2 1,044
23 LEXMOTO ASPIRE
13.9 59.3 570
24 LEXMOTO TEKKEN 125 MH 125 GY-15
13.7 62.4 271
25 KEEWAY TX
13.6 58.1 1,433
26 LEXMOTO OREGON
13.5 60.5 296
27 JIANSHE JS 125-32
13.2 63.0 265
28 PULSE XF
13.0 57.2 2,063
29 SUPERBYKE RMR
12.8 55.7 345
30 SYM PU
12.6 62.8 333
31 VULCAN HARRIER
12.5 49.2 305
32 LEXMOTO ZSX
12.4 57.4 4,025
33 AJS JSM
12.4 56.4 599
34 LEXMOTO VENOM
12.3 60.1 5,664
35 SINNIS APACHE
12.1 62.0 503
36 LEXMOTO VIPER SK 125-22A
12.0 58.6 1,101
37 GENERIC TRIGGER
12.0 50.0 308
38 YAMASAKI YM 50-10
12.0 56.2 249
39 LEXMOTO XTR
11.8 55.2 2,456
40 KSR Moto GRS
11.8 61.5 1,625
41 LEXMOTO LXS 125
11.8 65.1 604
42 SKYJET SJ 125-23
11.7 44.7 2,324
43 PIONEER XF
11.7 64.5 409
44 KSR Moto WORX 125
11.6 64.3 1,387
45 LEXMOTO ISCA 125 SK 125-L
11.6 66.8 1,024
46 SINNIS CRUISE STAR
11.6 58.4 293
47 ZONTES SCORPION 125
11.5 57.8 540
48 ZONTES MANTIS
11.5 65.8 538
49 LEXMOTO ZSB
11.4 57.8 1,380
50 KEEWAY RKS 125 SPORT
11.4 65.9 264

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.

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