HYOSUNG GT 125 COMET

124cc Petrol Class 1

#5221 of 5426 overall #17 of 23 HYOSUNGs #628 of 734 commuter bikes

59.8%

first-time pass rate

30.0%

failed outright

14,314

median miles at test

1,504

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2023

The GT 125 COMET's first-time pass rate has risen 4.7 points since 2006, 52.0% to 56.7%.

Pass rate by mileage

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

A low-mileage GT 125 COMET passes first time 69.0% of the time; by 40k that's 44.7%.

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 COMET

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	420	28.2	3.8×
brakes	342	23	3.6×
steering and suspension	237	15.9	3.6×
drive system	146	9.8	10.1×
lamps and reflectors	79	5.3	2.1×
tyres and wheels	77	5.2	2.2×
structure and attachments	60	4	3.4×
fuel and exhaust	49	3.3	3.5×
body and structure	46	3.1	4.8×
suspension	34	2.3	2.2×

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 COMET 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 COMET.

Pass rate by registration year

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

Best year to buy used: 2007 (71.9% pass). Weakest: 2003 (54.9%).

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 COMET FAQ

answers computed from the data above · terms in the glossary

Is the HYOSUNG GT 125 COMET reliable?

The HYOSUNG GT 125 COMET is less reliable than average for its class: 59.8% of its 1,504 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5221 of 5426 models.

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

lighting and signalling — 28% of all defects recorded against failed GT 125 COMET tests.

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

By first-time pass rate, 2007-registered examples do best (71.9%) and 2003 worst (54.9%). Condition and history still trump the year.

How many miles will a GT 125 COMET last?

The median GT 125 COMET shows 14,314 miles at test, and examples around 40k miles still pass 44.7% of the time — mileage alone rarely kills one.