Norton Jubilee vs Yamaha WR250F

The Norton Jubilee passes its MOT first time more often than the Yamaha WR250F: 90.6% vs 78.0%, a 12.6-point lead.

MOT reliability, side by side

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

Metric	Norton Jubilee	Yamaha WR250F
First-time pass rate	90.6%	78.0%
Outright fail rate	6.0%	12.8%
Engine size	250cc	249cc
Rank among all models	#776 of 5428	#3913 of 5428
Median miles at test	15,021	3,018
MOT tests analysed	298	10,465
Most common failure	steering and suspension	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.

Pass rate by mileage

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

Mileage	Norton Jubilee	Yamaha WR250F
0k-10k miles	90.7%	78.1%
10k-20k miles	86.7%	77.3%
20k-30k miles	90.4%	67.9%

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

NORTON JUBILEE 90.6% pass · 298 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.