BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KAWASAKI/KLZ 1000 ACF
Model report · 2005–2025

KAWASAKI KLZ 1000 ACF

1043cc Petrol Class 2
89.1%
first-time pass rate
4.8%
failed outright
16,034
median miles at test
2,422
MOT tests, 2005–2025

Pass rate over time

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

The KLZ 1000 ACF's first-time pass rate has fallen 14.1 points since 2015, 94.9% to 80.8%.

77%88%98%2015: 94.9% pass (178 tests)2016: 93.9% pass (311 tests)2017: 94.1% pass (286 tests)2018: 88.9% pass (207 tests)2019: 89.3% pass (215 tests)2020: 88.1% pass (185 tests)2021: 86.4% pass (243 tests)2022: 88.7% pass (221 tests)2023: 84.1% pass (226 tests)2024: 87.0% pass (162 tests)2025: 80.8% pass (177 tests)20152025

Pass rate by mileage

how the KLZ 1000 ACF's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage KLZ 1000 ACF passes first time 94.7% of the time; by 40k that's 86.7%.

77%87%98%0k: 94.7% pass (657 tests)10k: 90.4% pass (844 tests)20k: 85.1% pass (543 tests)30k: 79.9% pass (224 tests)40k: 86.7% pass (83 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 KLZ 1000 ACF

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lamps and reflectors
57 28.5 1.2×
brakes
35 17.5 0.2×
tyres
27 13.5 1.5×
suspension
18 9 0.9×
structure and attachments
16 8 1.0×
tyres and wheels
16 8 0.2×
lighting and signalling
11 5.5 0.1×
audible warning (Horn)
10 5 2.3×
steering and suspension
5 2.5 0.1×
steering
5 2.5 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 KLZ 1000 ACF beats 3 of its 4 closest rivals (BMW R1200, BMW R1150, TRIUMPH SPRINT).

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 KLZ 1000 ACF.

Pass rate by registration year

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

Best year to buy used: 2011 (90.9% pass). Weakest: 2012 (88.7%).

88%90%92%2011: 90.9% pass (77 tests)2012: 88.7% pass (1,402 tests)2013: 89.6% pass (933 tests)201120122013

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 KLZ 1000 ACF FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI KLZ 1000 ACF reliable?

The KAWASAKI KLZ 1000 ACF is more reliable than average for its class: 89.1% of its 2,422 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1243 of 5426 models.

What does a KLZ 1000 ACF fail its MOT on most?

lamps and reflectors — 28% of all defects recorded against failed KLZ 1000 ACF tests.

What is the best year of KLZ 1000 ACF to buy used?

By first-time pass rate, 2011-registered examples do best (90.9%) and 2012 worst (88.7%). Condition and history still trump the year.

How many miles will a KLZ 1000 ACF last?

The median KLZ 1000 ACF shows 16,034 miles at test, and examples around 40k miles still pass 86.7% of the time — mileage alone rarely kills one.