Ajs Model 31 vs Honda VFR800 Fi

The Ajs Model 31 passes its MOT first time more often than the Honda VFR800 Fi — 91.4% vs 86.7%, a 4.7-point lead.

MOT reliability, side by side

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

Metric	Ajs Model 31	Honda VFR800 Fi
First-time pass rate	91.4%	86.7%
Outright fail rate	1.6%	8.5%
Median miles at test	23,465	26,212
MOT tests analysed	314	89,421
Most common failure	steering and suspension	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.

AJS MODEL 31 91.4% pass · 314 tests HONDA VFR800 FI 86.7% pass · 89.4k tests

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