BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KAWASAKI/EX 650 B7F
Model report · 2005–2025

KAWASAKI EX 650 B7F

649cc Petrol Class 2
84.2%
first-time pass rate
9.1%
failed outright
14,288
median miles at test
824
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2025

The EX 650 B7F's first-time pass rate has fallen 14.1 points since 2010, 89.1% to 75.0%.

70%81%93%2010: 89.1% pass (64 tests)2011: 84.6% pass (78 tests)2012: 88.6% pass (70 tests)2013: 88.4% pass (69 tests)2014: 84.8% pass (66 tests)2015: 84.4% pass (64 tests)2016: 84.7% pass (59 tests)2017: 84.6% pass (52 tests)2018: 78.9% pass (38 tests)2019: 83.3% pass (42 tests)2020: 84.8% pass (33 tests)2021: 73.8% pass (42 tests)2022: 86.4% pass (44 tests)2023: 77.1% pass (35 tests)2024: 87.9% pass (33 tests)2025: 75.0% pass (32 tests)20102025

Pass rate by mileage

how the EX 650 B7F's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 650 B7F passes first time 92.3% of the time; by 30k that's 78.5%.

60%79%98%0k: 92.3% pass (273 tests)10k: 88.2% pass (271 tests)20k: 65.6% pass (163 tests)30k: 78.5% pass (79 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 B7F

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
35 26.5 0.8×
lamps and reflectors
26 19.7 1.3×
lighting and signalling
13 9.8 0.4×
tyres and wheels
11 8.3 0.6×
steering and suspension
11 8.3 0.4×
structure and attachments
10 7.6 1.4×
tyres
9 6.8 1.4×
drive system
8 6.1 1.0×
suspension
7 5.3 1.2×
reg plates and vin
2 1.5 0.4×

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 B7F 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 B7F.

Pass rate by registration year

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

Best year to buy used: 2007 (84.0% pass). Weakest: 2008 (82.8%).

82%83%85%2007: 84.0% pass (719 tests)2008: 82.8% pass (87 tests)20072008

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 B7F FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 650 B7F reliable?

The KAWASAKI EX 650 B7F is about average for its class: 84.2% of its 824 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2689 of 5426 models.

What does a EX 650 B7F fail its MOT on most?

brakes — 27% of all defects recorded against failed EX 650 B7F tests.

How many miles will a EX 650 B7F last?

The median EX 650 B7F shows 14,288 miles at test, and examples around 30k miles still pass 78.5% of the time — mileage alone rarely kills one.