ZERO MOTORCYCLES SR/S ZF14.4

Electric Class 2

89.2%

first-time pass rate

8.1%

failed outright

6,015

median miles at test

111

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2024–2025

The SR/S ZF14.4's first-time pass rate has fallen 7.8 points since 2024, 92.1% to 84.3%.

What fails on a SR/S ZF14.4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	8	53.3
lamps and reflectors	3	20
steering	2	13.3
suspension	1	6.7
tyres	1	6.7

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the SR/S ZF14.4 beats 3 of its 4 closest rivals (BMW R1200, KAWASAKI ZX-6R, BMW R1150).

BMW R1200 92.9% pass · 299k tests KAWASAKI ZX-6R 78.1% pass · 174k tests BMW R1150 88.5% pass · 171k tests SUZUKI GSF600 77.3% pass · 143k tests

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 SR/S ZF14.4.

Pass rate by registration year

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

Best year to buy used: 2020 (89.5% pass). Weakest: 2020 (89.5%).

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.