Indian Motorcycle Chieftain Dark Horse vs Harley-Davidson Flstc

The Indian Motorcycle Chieftain Dark Horse passes its MOT first time more often than the Harley-Davidson Flstc: 91.5% vs 89.4%, a 2.1-point lead.

MOT reliability, side by side

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

Metric	Indian Motorcycle Chieftain Dark Horse	Harley-Davidson Flstc
First-time pass rate	91.5%	89.4%
Outright fail rate	3.8%	4.9%
Vs comparable bikes (age & mileage adjusted)	+4.0 pts	+5.1 pts
Engine size	1,811cc	1,450cc
Median miles at test	10,202	16,884
MOT tests analysed	130	23,752
Most common failure	suspension	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.

"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	Indian Motorcycle Chieftain Dark Horse	Harley-Davidson Flstc
0k-10k miles	95.2%	90.8%
10k-20k miles	84.8%	89.6%

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

INDIAN MOTORCYCLE CHIEFTAIN DARK HORSE 91.5% pass · 130 tests HARLEY-DAVIDSON FLSTC 89.4% pass · 23.8k tests

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