Malaguti Phantom 100 vs Yamaha YQ100

The Yamaha YQ100 passes its MOT first time more often than the Malaguti Phantom 100: 64.7% vs 64.1%, a 0.6-point lead.

MOT reliability, side by side

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

Metric	Malaguti Phantom 100	Yamaha YQ100
First-time pass rate	64.1%	64.7%
Outright fail rate	27.3%	27.2%
Vs comparable bikes (age & mileage adjusted)	-8.7 pts	-7.2 pts
Engine size	95cc	98cc
Median miles at test	7,161	9,888
MOT tests analysed	128	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.

"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 mileage

first-time MOT pass rate by miles on the clock at test

Mileage	Malaguti Phantom 100	Yamaha YQ100
0k-10k miles	69.2%	70.7%
10k-20k miles	61.0%	59.0%

Bands with fewer than 30 tests for either bike are left out.

MALAGUTI PHANTOM 100 64.1% pass · 128 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.