KAWASAKI EX 650 B6F

649cc Petrol Class 2

#2443 of 5426 overall #279 of 592 KAWASAKIs #1529 of 2787 other bikes

85.2%

first-time pass rate

6.9%

failed outright

15,732

median miles at test

433

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2015

The EX 650 B6F's first-time pass rate has fallen 7.4 points since 2009, 92.7% to 85.3%.

Pass rate by mileage

how the EX 650 B6F's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 650 B6F passes first time 90.0% of the time; by 30k that's 89.7%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a EX 650 B6F

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	12	21.4
structure and attachments	7	12.5
tyres and wheels	7	12.5
lighting and signalling	6	10.7
steering and suspension	5	8.9
lamps and reflectors	5	8.9
drive system	4	7.1
steering	4	7.1
reg plates and vin	3	5.4
suspension	3	5.4

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 EX 650 B6F beats 3 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 EX 650 B6F.

Pass rate by registration year

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

Best year to buy used: 2006 (85.2% pass). Weakest: 2006 (85.2%).

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.