BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ AJS/HIGHWAY STAR
Model report · 2005–2025

AJS HIGHWAY STAR

125cc Petrol Class 1
#4612 of 5426 overall #24 of 45 AJSs #325 of 734 commuter bikes
71.5%
first-time pass rate
16.3%
failed outright
2,688
median miles at test
288
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The HIGHWAY STAR's first-time pass rate has risen 13.1 points since 2023, 65.1% to 78.2%.

62%72%81%2023: 65.1% pass (86 tests)2024: 72.4% pass (98 tests)2025: 78.2% pass (87 tests)20232025

What fails on a HIGHWAY STAR

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
42 32.6
brakes
23 17.8
suspension
22 17.1
structure and attachments
19 14.7
steering
9 7
audible warning (Horn)
8 6.2
tyres
4 3.1
Identification of the vehicle
2 1.6

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 HIGHWAY STAR beats 2 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 HIGHWAY STAR.

Pass rate by registration year

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

Best year to buy used: 2021 (77.2% pass). Weakest: 2019 (64.5%).

62%71%80%2019: 64.5% pass (62 tests)2020: 72.2% pass (169 tests)2021: 77.2% pass (57 tests)201920202021

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.