Ariel Leader vs Honda Forza 300/350

The Ariel Leader passes its MOT first time more often than the Honda Forza 300/350 — 92.7% vs 89.6%, a 3.1-point lead.

MOT reliability, side by side

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

Metric	Ariel Leader	Honda Forza 300/350
First-time pass rate	92.7%	89.6%
Outright fail rate	3.0%	7.3%
Median miles at test	15,045	9,648
MOT tests analysed	1,135	10,821
Most common failure	lighting and signalling	brakes

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.

ARIEL LEADER 92.7% pass · 1,135 tests HONDA Forza 300/350 89.6% pass · 10.8k tests

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