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

HONDA NC21

400cc Petrol Class 2
57.1%
first-time pass rate
26.8%
failed outright
39,547
median miles at test
56
MOT tests, 2005–2025

What fails on a NC21

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
19 30.2
steering and suspension
16 25.4
tyres and wheels
8 12.7
lighting and signalling
7 11.1
fuel and exhaust
5 7.9
structure and attachments
3 4.8
drive system
2 3.2
reg plates and vin
1 1.6
body and structure
1 1.6
suspension
1 1.6

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 NC21 beats 0 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

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 NC21.