BIKERELIABILITY Reg check
League table/ Matchless G12CSR/vs Kawasaki ZX-6R
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Matchless G12CSR vs Kawasaki ZX-6R

The Matchless G12CSR passes its MOT first time more often than the Kawasaki ZX-6R: 93.5% vs 78.1%, a 15.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Matchless G12CSR Kawasaki ZX-6R
First-time pass rate 93.5% 78.1%
Outright fail rate 2.9% 14.0%
Engine size 650cc 599cc
Rank among all models #234 of 5428 #3895 of 5428
Median miles at test 9,760 19,446
MOT tests analysed 279 173,956
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 mileage

first-time MOT pass rate by miles on the clock at test
Mileage Matchless G12CSR Kawasaki ZX-6R
0k-10k miles 92.4% 86.1%
10k-20k miles 90.9% 80.6%
40k-50k miles 96.8% 69.5%

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.