BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Kawasaki Zephyr 1100: MOT pass rate by registration year

Which Zephyr 1100 years pass first time, and which fall short of the model's 83.0% average, from 5,141 DVSA tests.

1997
highest-passing year · 85.1%
1992
lowest-passing year · 81.8%
3.3pp
spread across 7 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: 1997 (85.1% of 328 tests). Lowest: 1992 (81.8% of 1,709).

81%83%86%1992: 81.8% pass (1,709 tests)1993: 83.4% pass (1,364 tests)1994: 83.9% pass (794 tests)1995: 83.2% pass (416 tests)1996: 81.9% pass (326 tests)1997: 85.1% pass (328 tests)1998: 83.7% pass (104 tests)199219951998
RegisteredTestsFirst-time passvs model (83.0%)
1992 1,709 81.8% -1.2 pp
1993 1,364 83.4% +0.4 pp
1994 794 83.9% +0.9 pp
1995 416 83.2% +0.2 pp
1996 326 81.9% -1.1 pp
1997 328 85.1% +2.1 pp
1998 104 83.7% +0.7 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 · 2005–2025
75%83%91%2005: 82.0% pass (61 tests)2006: 83.3% pass (414 tests)2007: 82.6% pass (384 tests)2008: 83.3% pass (348 tests)2009: 81.5% pass (368 tests)2010: 79.9% pass (318 tests)2011: 81.3% pass (321 tests)2012: 77.3% pass (278 tests)2013: 82.1% pass (273 tests)2014: 78.9% pass (266 tests)2015: 84.1% pass (252 tests)2016: 83.1% pass (242 tests)2017: 83.9% pass (230 tests)2018: 84.6% pass (182 tests)2019: 85.0% pass (180 tests)2020: 84.7% pass (157 tests)2021: 84.9% pass (199 tests)2022: 86.7% pass (196 tests)2023: 87.8% pass (181 tests)2024: 86.6% pass (134 tests)2025: 88.5% pass (157 tests)20052025

Questions

Which Zephyr 1100 years have the lowest MOT pass rate?
none: no registration year of the Kawasaki Zephyr 1100 falls more than two points under the model's 83.0% overall pass rate.
Which Zephyr 1100 year has the highest MOT pass rate?
1997, at 85.1% of 328 first tests (2005–2025).
How much does the Zephyr 1100 pass rate vary by year?
3.3 percentage points between the highest (1997, 85.1%) and lowest (1992, 81.8%) 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 Zephyr 1100 reliability, failures and mileage · ranked #2962 of 5428 models· other Kawasaki models: ZX-6R, ZX-9R, ZZR600, ER5, ZZ-R1100, ZX