BIKERELIABILITY Reg check
League table/ Matchless G5/vs Kawasaki ZXR400
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Matchless G5 vs Kawasaki ZXR400

The Matchless G5 passes its MOT first time more often than the Kawasaki ZXR400: 89.3% vs 73.1%, a 16.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Matchless G5 Kawasaki ZXR400
First-time pass rate 89.3% 73.1%
Outright fail rate 3.6% 18.9%
Engine size 350cc 398cc
Rank among all models #1180 of 5428 #4490 of 5428
Median miles at test 9,700 23,651
MOT tests analysed 338 14,200
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.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested
Test year Matchless G5 Kawasaki ZXR400
2006 93.8% 73.0%
2007 87.1% 72.3%
2012 90.3% 69.5%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test
Mileage Matchless G5 Kawasaki ZXR400
0k-10k miles 88.8% 87.1%
20k-30k miles 94.5% 69.9%
30k-40k miles 87.0% 67.8%

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

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