Honda CB77 vs Honda CB250

The Honda CB77 passes its MOT first time more often than the Honda CB250: 91.7% vs 79.9%, a 11.8-point lead.

MOT reliability, side by side

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

Metric	Honda CB77	Honda CB250
First-time pass rate	91.7%	79.9%
Outright fail rate	2.6%	11.4%
Engine size	305cc	248cc
Rank among all models	#524 of 5428	#3603 of 5428
Median miles at test	16,170	25,338
MOT tests analysed	492	17,302
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	Honda CB77	Honda CB250
2010	100.0%	79.3%
2011	94.1%	77.6%
2012	85.4%	75.7%
2013	91.3%	79.2%
2014	87.5%	78.9%
2015	95.8%	81.0%
2016	84.6%	83.2%
2017	93.9%	82.1%

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	Honda CB77	Honda CB250
0k-10k miles	90.1%	86.6%
10k-20k miles	91.5%	82.2%
20k-30k miles	93.4%	79.0%
30k-40k miles	92.2%	76.2%

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

HONDA CB77 91.7% pass · 492 tests HONDA CB250 79.9% pass · 17.3k tests

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