BIKERELIABILITY Reg check
League table/ Yamaha XT350/vs Suzuki DR-Z400S
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha XT350 vs Suzuki DR-Z400S

The Suzuki DR-Z400S passes its MOT first time more often than the Yamaha XT350: 80.4% vs 77.2%, a 3.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Yamaha XT350 Suzuki DR-Z400S
First-time pass rate 77.2% 80.4%
Outright fail rate 13.0% 11.1%
Median miles at test 20,268 6,940
MOT tests analysed 4,921 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.

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