HYOSUNG GT 250 COMET

249cc Petrol Class 2

#4108 of 5426 overall #3 of 23 HYOSUNGs #2579 of 2787 other bikes

76.6%

first-time pass rate

16.1%

failed outright

13,068

median miles at test

218

MOT tests, 2005–2025

Pass rate by mileage

how the GT 250 COMET's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GT 250 COMET passes first time 77.9% of the time; by 20k that's 73.7%.

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 250 COMET

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	31	34.1
brakes	25	27.5
tyres and wheels	9	9.9
drive system	9	9.9
steering and suspension	8	8.8
lamps and reflectors	2	2.2
suspension	2	2.2
tyres	2	2.2
driving controls	2	2.2
reg plates and vin	1	1.1

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 GT 250 COMET beats 0 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 tests HONDA CBF250 84.9% pass · 7,536 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 250 COMET.

Pass rate by registration year

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

Best year to buy used: 2004 (69.2% pass). Weakest: 2004 (69.2%).

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.