Benelli Leoncino 500 Trail vs Yamaha FZS600

The Benelli Leoncino 500 Trail passes its MOT first time more often than the Yamaha FZS600: 88.0% vs 82.6%, a 5.4-point lead.

MOT reliability, side by side

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

Metric	Benelli Leoncino 500 Trail	Yamaha FZS600
First-time pass rate	88.0%	82.6%
Outright fail rate	6.0%	10.6%
Vs comparable bikes (age & mileage adjusted)	-1.7 pts	-0.8 pts
Engine size	500cc	599cc
Median miles at test	3,300	21,612
MOT tests analysed	167	136,558
Most common failure	lamps and reflectors	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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested

Test year	Benelli Leoncino 500 Trail	Yamaha FZS600
2022	83.9%	83.6%
2023	88.6%	84.2%
2024	90.7%	83.3%
2025	88.7%	84.0%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

BENELLI LEONCINO 500 TRAIL 88.0% pass · 167 tests YAMAHA FZS600 82.6% pass · 137k tests

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