CCM SR-40 Street Scrambler vs Kawasaki ER5

The CCM SR-40 Street Scrambler passes its MOT first time more often than the Kawasaki ER5: 89.9% vs 77.4%, a 12.5-point lead.

MOT reliability, side by side

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

Metric	CCM SR-40 Street Scrambler	Kawasaki ER5
First-time pass rate	89.9%	77.4%
Outright fail rate	5.4%	14.2%
Vs comparable bikes (age & mileage adjusted)	+1.4 pts	-6.2 pts
Engine size	398cc	498cc
Median miles at test	4,686	21,259
MOT tests analysed	148	53,115
Most common failure	lighting and signalling	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.

"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.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	CCM SR-40 Street Scrambler	Kawasaki ER5
0k-10k miles	90.7%	87.5%
10k-20k miles	86.7%	79.5%

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

CCM SR-40 STREET SCRAMBLER 89.9% pass · 148 tests KAWASAKI ER5 77.4% pass · 53.1k tests

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