Know Your MOT

Harley Davidson Flstf vs Harley-Davidson Xl53: MOT reliability compared

Updated 05 September 2026.

9.8%
Harley Davidson Flstf MOT failure rate, 1.6 pts lower than Harley-Davidson Xl53

Harley Davidson Flstf is the more reliable MOT performer: 9.8% of Harley Davidson Flstf MOTs fail versus 11.4% for Harley-Davidson Xl53, a 1.6 point gap.

MetricHarley Davidson FlstfHarley-Davidson Xl53
MOT failure rate9.8%11.4%
Tests analysed31,80315,218
Most common failureLamps & electrical (18.2%)Brakes (18.8%)

Questions and answers

Which is more reliable, Harley Davidson Flstf or Harley-Davidson Xl53?

Harley Davidson Flstf is the more reliable MOT performer: 9.8% of Harley Davidson Flstf MOTs fail versus 11.4% for Harley-Davidson Xl53, a 1.6 point gap.

What is the MOT failure rate of the Harley Davidson Flstf?

9.8% of Harley Davidson Flstf MOT tests result in a failure, from 31,803 tests.

What is the MOT failure rate of the Harley-Davidson Xl53?

11.4% of Harley-Davidson Xl53 MOT tests result in a failure, from 15,218 tests.

Compared here

Harley Davidson Flstf common MOT failures and failure rateHarley-Davidson Xl53 common MOT failures and failure rate