Royal Enfield Interceptor vs Yamaha FZS600

The Royal Enfield Interceptor passes its MOT first time more often than the Yamaha FZS600: 93.6% vs 82.6%, a 11.0-point lead.

MOT reliability, side by side

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

Metric	Royal Enfield Interceptor	Yamaha FZS600
First-time pass rate	93.6%	82.6%
Outright fail rate	3.6%	10.6%
Engine size	736cc	599cc
Rank among all models	#224 of 5428	#3052 of 5428
Median miles at test	7,792	21,612
MOT tests analysed	359	136,558
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	Yamaha FZS600
2011	94.1%	81.1%
2012	87.1%	80.2%
2013	94.1%	81.3%
2015	96.9%	81.1%

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	Royal Enfield Interceptor	Yamaha FZS600
0k-10k miles	94.7%	89.6%
10k-20k miles	90.1%	85.5%
20k-30k miles	93.5%	81.4%

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

ROYAL ENFIELD INTERCEPTOR 93.6% pass · 359 tests YAMAHA FZS600 82.6% pass · 137k tests

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