BIKERELIABILITY Reg check
League table/ RIEJU/TANGO 125
Model report · 2005–2025

RIEJU TANGO 125

124cc Petrol Class 1
67.4%
first-time pass rate
20.3%
failed outright
2,448
median miles at test
138
MOT tests, 2005–2025
-7.6pp
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 TANGO 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
23 22.1
lighting and signalling
18 17.3
lamps and reflectors
17 16.3
steering and suspension
12 11.5
structure and attachments
11 10.6
suspension
10 9.6
driving controls
4 3.8
drive system
4 3.8
body and structure
3 2.9
steering
2 1.9

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 TANGO 125 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 TANGO 125.

Compare with any bike

rival not listed above? pick any model to see it head-to-head with the Tango 125

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