Chituma CTM 50 QT-7 vs Piaggio Zip

The Piaggio Zip passes its MOT first time more often than the Chituma CTM 50 QT-7: 71.3% vs 57.9%, a 13.4-point lead.

MOT reliability, side by side

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

Metric	Chituma CTM 50 QT-7	Piaggio Zip
First-time pass rate	57.9%	71.3%
Outright fail rate	33.9%	20.4%
Vs comparable bikes (age & mileage adjusted)	-20.4 pts	-1.0 pts
Engine size	50cc	49cc
Median miles at test	1,578	8,882
MOT tests analysed	121	78,993
Most common failure	steering and suspension	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.

CHITUMA CTM 50 QT-7 57.9% pass · 121 tests PIAGGIO ZIP 71.3% pass · 79.0k tests

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