KTM 640 LC4

625cc Petrol Class 2

77.8%

first-time pass rate

12.3%

failed outright

10,779

median miles at test

162

MOT tests, 2005–2025

What fails on a 640 LC4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	26	47.3
steering and suspension	7	12.7
lamps and reflectors	5	9.1
tyres and wheels	4	7.3
drive system	4	7.3
reg plates and vin	4	7.3
structure and attachments	2	3.6
steering	1	1.8
brakes	1	1.8
suspension	1	1.8

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 640 LC4 beats 1 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests HONDA VFR800 FI 86.7% pass · 89.4k 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 640 LC4.

Pass rate by registration year

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

Best year to buy used: 2003 (75.4% pass). Weakest: 2003 (75.4%).

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.