BIKERELIABILITY Reg check
Model report · 2005–2025

AJS R7

124cc Petrol Class 1
#5425 of 5428 overall #44 of 45 AJSs #731 of 734 commuter bikes
44.8%
first-time pass rate
48.1%
failed outright
6,232
median miles at test
212
MOT tests, 2005–2025
-31.9pp
vs expected · age & mileage

The pass rate is the MOT first-time pass: a roadworthiness check of the items an MOT covers (brakes, lights, tyres, steering, structure, emissions), not a full mechanical inspection of engine or gearbox internals. It is a reliability signal, not a complete measure of mechanical reliability. What this measures.

“vs expected” adjusts for age, mileage and test class, so a cherished classic and a hard-used commuter are compared fairly. How this works.

Pass rate over time

first-time pass rate by test year · 2018–2021

The R7's first-time pass rate has risen 7.5 points since 2018, 34.4% to 41.9%.

31%41%50%2018: 34.4% pass (32 tests)2019: 47.2% pass (36 tests)2020: 45.7% pass (35 tests)2021: 41.9% pass (31 tests)20182021

What fails on a R7

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
127 28.2
structure and attachments
75 16.7
suspension
69 15.3
brakes
67 14.9
steering
60 13.3
tyres
27 6
steering and suspension
9 2
lighting and signalling
8 1.8
Identification of the vehicle
5 1.1
audible warning (Horn)
3 0.7

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 R7 beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 R7.

Compare with any bike

rival not listed above? pick any model to see it head-to-head with the R7

Pass rate by registration year

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

Best year to buy used: 2014 (45.1% pass). Weakest: 2016 (43.1%).

42%44%46%2014: 45.1% pass (51 tests)2015: 43.4% pass (83 tests)2016: 43.1% pass (58 tests)201420152016

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.

Embed this bike

Free to embed on your site, blog or forum — a live Ajs R7 reliability card that stays up to date and links back here. More on the free API page.