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

SUZUKI 650

650cc Petrol Class 2
86.6%
first-time pass rate
8.4%
failed outright
17,727
median miles at test
382
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2014–2016

The 650's first-time pass rate has fallen 9.2 points since 2014, 96.7% to 87.5%.

85%92%99%2014: 96.7% pass (30 tests)2015: 90.3% pass (31 tests)2016: 87.5% pass (32 tests)20142016

Pass rate by mileage

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

A low-mileage 650 passes first time 91.3% of the time; by 30k that's 86.8%.

85%89%92%0k: 91.3% pass (115 tests)10k: 88.0% pass (108 tests)20k: 86.4% pass (81 tests)30k: 86.8% pass (38 tests)0k20k30k

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 650

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
21 24.7
lighting and signalling
14 16.5
lamps and reflectors
11 12.9
steering and suspension
8 9.4
drive system
8 9.4
tyres and wheels
7 8.2
structure and attachments
4 4.7
fuel and exhaust
4 4.7
suspension
4 4.7
tyres
4 4.7

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 650 beats 3 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

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 650.