BIKERELIABILITY Reg check
League table/ ADLY/JET 100
Model report · 2005–2025

ADLY JET 100

96cc Petrol Class 1
66.3%
first-time pass rate
28.8%
failed outright
5,496
median miles at test
104
MOT tests, 2005–2025
-8.8pp
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.

What fails on a JET 100

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
22 28.6
steering and suspension
22 28.6
brakes
18 23.4
tyres and wheels
7 9.1
fuel and exhaust
5 6.5
reg plates and vin
2 2.6
Items Not Tested
1 1.3

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 JET 100 beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA C90, HONDA CG125).

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 JET 100.

Compare with any bike

rival not listed above? pick any model to see it head-to-head with the Jet 100

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