Royal Enfield Interceptor vs Suzuki GSF600

The Royal Enfield Interceptor passes its MOT first time more often than the Suzuki GSF600: 93.6% vs 77.3%, a 16.3-point lead.

MOT reliability, side by side

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

Metric	Royal Enfield Interceptor	Suzuki GSF600
First-time pass rate	93.6%	77.3%
Outright fail rate	3.6%	14.2%
Engine size	736cc	599cc
Rank among all models	#224 of 5428	#4013 of 5428
Median miles at test	7,792	21,080
MOT tests analysed	359	143,023
Most common failure	brakes	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	Royal Enfield Interceptor	Suzuki GSF600
2011	94.1%	76.1%
2012	87.1%	75.9%
2013	94.1%	74.7%
2015	96.9%	75.5%

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	Royal Enfield Interceptor	Suzuki GSF600
0k-10k miles	94.7%	86.8%
10k-20k miles	90.1%	80.1%
20k-30k miles	93.5%	75.2%

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

ROYAL ENFIELD INTERCEPTOR 93.6% pass · 359 tests SUZUKI GSF600 77.3% pass · 143k tests

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