Honda CB1100 SF vs Triumph Speed Triple

The Honda CB1100 SF passes its MOT first time more often than the Triumph Speed Triple: 91.8% vs 85.6%, a 6.2-point lead.

MOT reliability, side by side

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

Metric	Honda CB1100 SF	Triumph Speed Triple
First-time pass rate	91.8%	85.6%
Outright fail rate	4.1%	7.3%
Vs comparable bikes (age & mileage adjusted)	+6.2 pts	-0.2 pts
Engine size	1,137cc	1,050cc
Rank among all models	#507 of 5428	#2333 of 5428
Median miles at test	13,700	12,419
MOT tests analysed	268	74,618
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.

"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	Honda CB1100 SF	Triumph Speed Triple
0k-10k miles	91.7%	88.2%
10k-20k miles	90.4%	85.5%
20k-30k miles	92.7%	82.8%

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

HONDA CB1100 SF 91.8% pass · 268 tests TRIUMPH SPEED TRIPLE 85.6% pass · 74.6k tests

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