HYOSUNG GT 125 R

124cc Petrol Class 1

#5268 of 5426 overall #20 of 23 HYOSUNGs #651 of 734 commuter bikes

58.2%

first-time pass rate

30.5%

failed outright

9,722

median miles at test

2,286

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2023

The GT 125 R's first-time pass rate has risen 2.8 points since 2009, 60.5% to 63.3%.

Pass rate by mileage

how the GT 125 R's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage GT 125 R passes first time 60.9% of the time; by 30k that's 62.7%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a GT 125 R

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	588	25.6	3.7×
lighting and signalling	528	23	3.6×
steering and suspension	353	15.4	3.4×
drive system	220	9.6	9.8×
lamps and reflectors	158	6.9	2.6×
tyres and wheels	132	5.7	2.3×
structure and attachments	111	4.8	4.5×
suspension	88	3.8	3.4×
body and structure	68	3	5.3×
fuel and exhaust	51	2.2	2.6×

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

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k 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 GT 125 R.

Pass rate by registration year

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

Best year to buy used: 2012 (66.2% pass). Weakest: 2009 (54.3%).

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.

HYOSUNG GT 125 R FAQ

answers computed from the data above · terms in the glossary

Is the HYOSUNG GT 125 R reliable?

The HYOSUNG GT 125 R is less reliable than average for its class: 58.2% of its 2,286 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5268 of 5426 models.

What does a GT 125 R fail its MOT on most?

brakes — 26% of all defects recorded against failed GT 125 R tests.

What is the best year of GT 125 R to buy used?

By first-time pass rate, 2012-registered examples do best (66.2%) and 2009 worst (54.3%). Condition and history still trump the year.

How many miles will a GT 125 R last?

The median GT 125 R shows 9,722 miles at test, and examples around 30k miles still pass 62.7% of the time — mileage alone rarely kills one.