BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

HYOSUNG GT250

249cc Petrol Class 2
#4589 of 5426 overall #6 of 23 HYOSUNGs #2754 of 2787 other bikes
71.9%
first-time pass rate
17.4%
failed outright
6,804
median miles at test
384
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2016

The GT250's first-time pass rate has fallen 14.9 points since 2011, 81.6% to 66.7%.

52%70%88%2011: 81.6% pass (38 tests)2012: 60.0% pass (45 tests)2013: 75.0% pass (44 tests)2014: 76.7% pass (43 tests)2015: 57.6% pass (33 tests)2016: 66.7% pass (30 tests)20112016

Pass rate by mileage

how the GT250's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage GT250 passes first time 74.9% of the time; by 20k that's 64.7%.

63%70%77%0k: 74.9% pass (251 tests)10k: 70.5% pass (88 tests)20k: 64.7% pass (34 tests)0k10k20k

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 GT250

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
58 29.4
brakes
45 22.8
drive system
28 14.2
steering and suspension
26 13.2
tyres and wheels
15 7.6
structure and attachments
8 4.1
lamps and reflectors
6 3
body and structure
6 3
driving controls
3 1.5
audible warning (Horn)
2 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 GT250 beats 0 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

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 GT250.

Pass rate by registration year

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

Best year to buy used: 2009 (76.4% pass). Weakest: 2007 (66.2%).

64%71%78%2007: 66.2% pass (71 tests)2008: 67.1% pass (85 tests)2009: 76.4% pass (72 tests)200720082009

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.