BIKERELIABILITY Reg check
League table/ Panther 120/vs Kawasaki ZX-6R
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Panther 120 vs Kawasaki ZX-6R

The Panther 120 passes its MOT first time more often than the Kawasaki ZX-6R: 89.8% vs 78.1%, a 11.7-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Panther 120 Kawasaki ZX-6R
First-time pass rate 89.8% 78.1%
Outright fail rate 1.6% 14.0%
Engine size 650cc 599cc
Rank among all models #1025 of 5428 #3895 of 5428
Median miles at test 19,721 19,446
MOT tests analysed 314 173,956
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 Panther 120 Kawasaki ZX-6R
0k-10k miles 89.1% 86.1%
10k-20k miles 90.9% 80.6%
20k-30k miles 97.3% 75.4%
30k-40k miles 86.7% 71.8%
40k-50k miles 96.9% 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.