BIKERELIABILITY Reg check
League table/ HONDA C90/vs YAMAHA YQ100
Head-to-head · 2005–2025

HONDA C90 vs YAMAHA YQ100

The HONDA C90 passes its MOT first time more often than the YAMAHA YQ100 — 79.3% vs 64.7%, a 14.6-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric HONDA C90 YAMAHA YQ100
First-time pass rate 79.3% 64.7%
Outright fail rate 12.6% 27.2%
Median miles at test 17,744 9,888
MOT tests analysed 92,772 7,747
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.