BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KAWASAKI/EX 650 B8F ABS
Model report · 2005–2025

KAWASAKI EX 650 B8F ABS

649cc Petrol Class 2
80.6%
first-time pass rate
12.2%
failed outright
14,188
median miles at test
969
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2025

The EX 650 B8F ABS's first-time pass rate has risen 1.1 points since 2011, 80.7% to 81.8%.

65%81%97%2011: 80.7% pass (83 tests)2012: 91.6% pass (95 tests)2013: 88.8% pass (80 tests)2014: 84.5% pass (84 tests)2015: 81.7% pass (82 tests)2016: 81.8% pass (77 tests)2017: 80.5% pass (77 tests)2018: 70.2% pass (57 tests)2019: 73.7% pass (57 tests)2020: 70.6% pass (51 tests)2021: 73.3% pass (60 tests)2022: 71.4% pass (49 tests)2023: 83.0% pass (47 tests)2024: 80.6% pass (36 tests)2025: 81.8% pass (33 tests)20112025

Pass rate by mileage

how the EX 650 B8F ABS's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 650 B8F ABS passes first time 91.3% of the time; by 30k that's 68.2%.

64%80%96%0k: 91.3% pass (334 tests)10k: 80.2% pass (333 tests)20k: 70.8% pass (192 tests)30k: 68.2% pass (66 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 EX 650 B8F ABS

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
55 23.1 0.9×
lamps and reflectors
51 21.4 2.1×
lighting and signalling
32 13.4 0.5×
steering and suspension
19 8 0.6×
suspension
17 7.1 1.5×
tyres and wheels
15 6.3 0.7×
tyres
14 5.9 2.0×
drive system
14 5.9 1.7×
steering
12 5 2.5×
structure and attachments
9 3.8 1.4×

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 B8F ABS beats 2 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 B8F ABS.

Pass rate by registration year

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

Best year to buy used: 2009 (85.3% pass). Weakest: 2008 (80.0%).

79%83%86%2008: 80.0% pass (824 tests)2009: 85.3% pass (136 tests)20082009

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 B8F ABS FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 650 B8F ABS reliable?

The KAWASAKI EX 650 B8F ABS is less reliable than average for its class: 80.6% of its 969 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3459 of 5426 models.

What does a EX 650 B8F ABS fail its MOT on most?

brakes — 23% of all defects recorded against failed EX 650 B8F ABS tests.

How many miles will a EX 650 B8F ABS last?

The median EX 650 B8F ABS shows 14,188 miles at test, and examples around 30k miles still pass 68.2% of the time — mileage alone rarely kills one.