BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KAWASAKI/EX 650 ECF
Model report · 2005–2025

KAWASAKI EX 650 ECF

649cc Petrol Class 2
84.9%
first-time pass rate
8.3%
failed outright
10,558
median miles at test
2,089
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2025

The EX 650 ECF's first-time pass rate has fallen 1.3 points since 2015, 84.0% to 82.7%.

77%85%93%2015: 84.0% pass (156 tests)2016: 84.1% pass (309 tests)2017: 88.1% pass (270 tests)2018: 86.0% pass (179 tests)2019: 84.3% pass (185 tests)2020: 86.4% pass (147 tests)2021: 90.7% pass (204 tests)2022: 81.8% pass (187 tests)2023: 79.7% pass (182 tests)2024: 83.6% pass (128 tests)2025: 82.7% pass (139 tests)20152025

Pass rate by mileage

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

A low-mileage EX 650 ECF passes first time 90.2% of the time; by 40k that's 67.4%.

63%79%95%0k: 90.2% pass (995 tests)10k: 82.8% pass (645 tests)20k: 76.6% pass (316 tests)30k: 82.4% pass (74 tests)40k: 67.4% pass (43 tests)0k20k40k

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 ECF

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
73 22.5 1.4×
brakes
54 16.6 0.4×
structure and attachments
37 11.4 1.9×
suspension
36 11.1 1.6×
lighting and signalling
36 11.1 0.3×
tyres
31 9.5 2.0×
tyres and wheels
21 6.5 0.5×
steering and suspension
16 4.9 0.2×
audible warning (Horn)
12 3.7 3.1×
drive system
9 2.8 0.5×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the EX 650 ECF 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 EX 650 ECF.

Pass rate by registration year

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

Best year to buy used: 2013 (85.5% pass). Weakest: 2012 (84.4%).

84%85%86%2012: 84.4% pass (1,239 tests)2013: 85.5% pass (850 tests)20122013

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.

KAWASAKI EX 650 ECF FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 650 ECF reliable?

The KAWASAKI EX 650 ECF is about average for its class: 84.9% of its 2,089 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2515 of 5426 models.

What does a EX 650 ECF fail its MOT on most?

lamps and reflectors — 22% of all defects recorded against failed EX 650 ECF tests.

How many miles will a EX 650 ECF last?

The median EX 650 ECF shows 10,558 miles at test, and examples around 40k miles still pass 67.4% of the time — mileage alone rarely kills one.