Hyosung GT 250 Comet vs Yamaha WR250F

The Yamaha WR250F passes its MOT first time more often than the Hyosung GT 250 Comet: 78.0% vs 76.6%, a 1.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Hyosung GT 250 Comet	Yamaha WR250F
First-time pass rate	76.6%	78.0%
Outright fail rate	16.1%	12.8%
Vs comparable bikes (age & mileage adjusted)	-9.6 pts	-10.7 pts
Engine size	249cc	249cc
Rank among all models	#4109 of 5428	#3913 of 5428
Median miles at test	13,068	3,018
MOT tests analysed	218	10,465
Most common failure	lighting and signalling	lighting and signalling

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	Hyosung GT 250 Comet	Yamaha WR250F
0k-10k miles	77.9%	78.1%
10k-20k miles	76.5%	77.3%
20k-30k miles	73.7%	67.9%

Bands with fewer than 30 tests for either bike are left out.

HYOSUNG GT 250 COMET 76.6% pass · 218 tests YAMAHA WR250F 78.0% pass · 10.5k tests

See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.