BIKERELIABILITY Reg check
League table/ Greeves Scottish/vs Yamaha YP250
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Greeves Scottish vs Yamaha YP250

The Greeves Scottish passes its MOT first time more often than the Yamaha YP250: 94.9% vs 82.5%, a 12.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Greeves Scottish Yamaha YP250
First-time pass rate 94.9% 82.5%
Outright fail rate 2.0% 12.3%
Engine size 250cc 249cc
Rank among all models #82 of 5428 #3073 of 5428
Median miles at test 1,102 15,613
MOT tests analysed 393 12,433
Most common failure steering and suspension 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.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested
Test year Greeves Scottish Yamaha YP250
2007 96.9% 79.8%
2008 90.3% 80.8%
2010 100.0% 81.3%
2011 86.4% 80.4%
2012 100.0% 83.9%

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 Greeves Scottish Yamaha YP250
0k-10k miles 95.7% 88.6%
10k-20k miles 95.2% 82.5%

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

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