Ajs Tempest Roadster vs Gilera Runner

The Ajs Tempest Roadster passes its MOT first time more often than the Gilera Runner — 72.2% vs 70.8%, a 1.4-point lead.

MOT reliability, side by side

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

Metric	Ajs Tempest Roadster	Gilera Runner
First-time pass rate	72.2%	70.8%
Outright fail rate	18.3%	21.5%
Median miles at test	3,790	11,381
MOT tests analysed	558	69,850
Most common failure	brakes	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.

AJS TEMPEST ROADSTER 72.2% pass · 558 tests GILERA RUNNER 70.8% pass · 69.9k tests

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