BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Kawasaki KZ1000: MOT pass rate by registration year

Which KZ1000 years pass first time, and which fall short of the model's 86.4% average, from 985 DVSA tests.

1979
highest-passing year · 89.6%
1980
lowest-passing year · 81.4%
8.2pp
spread across 4 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 1979 (89.6% of 96 tests). Lowest: 1980 (81.4% of 86). Years more than two points below the model average: 1980.

80%86%91%1977: 89.2% pass (195 tests)1978: 85.2% pass (250 tests)1979: 89.6% pass (96 tests)1980: 81.4% pass (86 tests)197719791980
RegisteredTestsFirst-time passvs model (86.4%)
1977 195 89.2% +2.8 pp
1978 250 85.2% -1.2 pp
1979 96 89.6% +3.2 pp
1980 86 81.4% -5.0 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2006–2019
75%86%98%2006: 80.9% pass (68 tests)2007: 90.0% pass (50 tests)2008: 78.7% pass (61 tests)2009: 83.8% pass (68 tests)2010: 89.8% pass (59 tests)2011: 85.1% pass (67 tests)2012: 87.7% pass (65 tests)2013: 87.5% pass (72 tests)2014: 83.8% pass (68 tests)2015: 80.6% pass (72 tests)2016: 82.7% pass (75 tests)2017: 92.0% pass (75 tests)2018: 91.7% pass (48 tests)2019: 94.1% pass (34 tests)20062019

Questions

Which KZ1000 years have the lowest MOT pass rate?
1980 registered examples pass first time less often than the Kawasaki KZ1000 overall (86.4%); the 1980 cohort is lowest at 81.4% from 86 tests.
Which KZ1000 year has the highest MOT pass rate?
1979, at 89.6% of 96 first tests (2005–2025). Years more than two points above the model average: 1977, 1979.
How much does the KZ1000 pass rate vary by year?
8.2 percentage points between the highest (1979, 89.6%) and lowest (1980, 81.4%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Kawasaki KZ1000 reliability, failures and mileage · ranked #2091 of 5428 models· other Kawasaki models: ZX-6R, ZX-9R, ZZR600, ER5, ZZ-R1100, ZX