ROYAL ENFIELD BULLET EFI E4

499cc Petrol Class 2

#1075 of 5426 overall #22 of 36 ROYAL ENFIELDs #661 of 2787 other bikes

89.6%

first-time pass rate

4.8%

failed outright

4,013

median miles at test

897

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2020–2025

The BULLET EFI E4's first-time pass rate has fallen 3.0 points since 2020, 96.3% to 93.3%.

What fails on a BULLET EFI E4

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	22	31.9	1.4×
brakes	17	24.6	0.3×
structure and attachments	10	14.5	1.3×
tyres	9	13	1.3×
audible warning (Horn)	3	4.3	1.8×
steering	3	4.3	0.8×
wheels	2	2.9	3.7×
Identification of the vehicle	2	2.9	1.0×
suspension	1	1.4	0.2×

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 BULLET EFI E4 beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

KAWASAKI ZX-6R 78.1% pass · 174k tests SUZUKI GSF600 77.3% pass · 143k tests YAMAHA FZS600 82.6% pass · 137k tests SUZUKI SV650S 80.6% pass · 84.6k 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 BULLET EFI E4.

Pass rate by registration year

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

Best year to buy used: 2018 (91.4% pass). Weakest: 2020 (87.5%).

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.

ROYAL ENFIELD BULLET EFI E4 FAQ

answers computed from the data above · terms in the glossary

Is the ROYAL ENFIELD BULLET EFI E4 reliable?

The ROYAL ENFIELD BULLET EFI E4 is more reliable than average for its class: 89.6% of its 897 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1075 of 5426 models.

What does a BULLET EFI E4 fail its MOT on most?

lamps and reflectors — 32% of all defects recorded against failed BULLET EFI E4 tests.

What is the best year of BULLET EFI E4 to buy used?

By first-time pass rate, 2018-registered examples do best (91.4%) and 2020 worst (87.5%). Condition and history still trump the year.