BIKERELIABILITY Reg check
League table/ Kymco Yup/vs Piaggio NRG
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Kymco Yup vs Piaggio NRG

The Kymco Yup passes its MOT first time more often than the Piaggio NRG: 73.0% vs 65.5%, a 7.5-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Kymco Yup Piaggio NRG
First-time pass rate 73.0% 65.5%
Outright fail rate 15.9% 27.4%
Vs comparable bikes (age & mileage adjusted) +1.5 pts -6.0 pts
Engine size 49cc 49cc
Rank among all models #4498 of 5428 #4992 of 5428
Median miles at test 10,304 9,874
MOT tests analysed 756 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.

"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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better
Component Kymco Yup Piaggio NRG
Lights & signalling 10.2% 15.0%
Steering & suspension 3.7% 15.5%
Brakes 5.0% 10.2%
Tyres & wheels 5.0% 4.7%
Fuel & exhaust 2.1% 3.8%
Structure & body 1.1% 2.5%

A test that fails on two components counts once in each. Component links go to the bikes most likely to fail on it.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested
Test year Kymco Yup Piaggio NRG
2009 70.4% 62.2%
2010 65.0% 63.2%
2011 76.5% 63.9%
2012 74.5% 63.4%
2013 71.1% 64.1%
2014 84.8% 67.4%
2015 71.4% 68.8%
2016 71.9% 68.0%

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

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test
Mileage Kymco Yup Piaggio NRG
0k-10k miles 75.5% 71.3%
10k-20k miles 72.7% 60.6%
20k-30k miles 69.7% 55.7%
30k-40k miles 61.9% 57.0%

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

Kymco Yup vs Piaggio NRG FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Kymco Yup or the Piaggio NRG?

The Kymco Yup passes its MOT first time more often than the Piaggio NRG: 73.0% vs 65.5%, a 7.5-point lead. Adjusted for age, mileage and test class, the Kymco Yup still comes out ahead: +1.5 points vs comparable bikes for the Kymco Yup, -6.0 for the Piaggio NRG. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Kymco Yup fail its MOT on most?

Lights & signalling: 10.2% of Kymco Yup MOT tests failed on it, then brakes (5.0%).

What does the Piaggio NRG fail its MOT on most?

Steering & suspension: 15.5% of Piaggio NRG MOT tests failed on it, then lights & signalling (15.0%).

Which holds up better at high mileage, the Kymco Yup or the Piaggio NRG?

At 30k-40k miles the Kymco Yup passes first time more often: 61.9% for the Kymco Yup vs 57.0% for the Piaggio NRG.

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