Raleigh Wisp vs Piaggio NRG

The Raleigh Wisp passes its MOT first time more often than the Piaggio NRG: 92.4% vs 65.5%, a 26.9-point lead.

MOT reliability, side by side

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

Metric	Raleigh Wisp	Piaggio NRG
First-time pass rate	92.4%	65.5%
Outright fail rate	2.8%	27.4%
Engine size	49cc	49cc
Rank among all models	#405 of 5428	#4992 of 5428
Median miles at test	61	9,874
MOT tests analysed	354	40,458
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.

Pass rate by test year

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

Test year	Raleigh Wisp	Piaggio NRG
2006	100.0%	64.7%
2011	100.0%	63.9%
2014	90.7%	67.4%
2015	93.3%	68.8%

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

RALEIGH WISP 92.4% pass · 354 tests PIAGGIO NRG 65.5% pass · 40.5k tests

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