Honda C90 Cub vs Yamaha YQ100

The Honda C90 Cub passes its MOT first time more often than the Yamaha YQ100: 77.1% vs 64.7%, a 12.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Honda C90 Cub	Yamaha YQ100
First-time pass rate	77.1%	64.7%
Outright fail rate	12.9%	27.2%
Median miles at test	15,917	9,888
MOT tests analysed	511	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.

HONDA C90 CUB 77.1% pass · 511 tests YAMAHA YQ100 64.7% pass · 7,747 tests

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