BIKERELIABILITY Reg check
League table/ Matchless 350/vs Suzuki DR-Z400S
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Matchless 350 vs Suzuki DR-Z400S

The Matchless 350 passes its MOT first time more often than the Suzuki DR-Z400S: 89.7% vs 80.4%, a 9.3-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Matchless 350 Suzuki DR-Z400S
First-time pass rate 89.7% 80.4%
Outright fail rate 4.4% 11.1%
Engine size 350cc 398cc
Rank among all models #1049 of 5428 #3493 of 5428
Median miles at test 16,345 6,940
MOT tests analysed 273 26,773
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 350 Suzuki DR-Z400S
2006 89.5% 83.5%
2007 93.5% 83.1%
2008 83.3% 80.5%
2010 94.1% 78.9%

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 350 Suzuki DR-Z400S
0k-10k miles 93.2% 81.7%
10k-20k miles 98.3% 78.4%
20k-30k miles 86.5% 79.2%
30k-40k miles 90.0% 76.4%
40k-50k miles 73.3% 75.2%

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.