Suzuki Gsxs 750 Z AM0 vs Triumph Street Triple

The Suzuki Gsxs 750 Z AM0 passes its MOT first time more often than the Triumph Street Triple: 89.8% vs 87.7%, a 2.1-point lead.

MOT reliability, side by side

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

Metric	Suzuki Gsxs 750 Z AM0	Triumph Street Triple
First-time pass rate	89.8%	87.7%
Outright fail rate	3.8%	5.9%
Vs comparable bikes (age & mileage adjusted)	+0.8 pts	+1.3 pts
Engine size	749cc	675cc
Rank among all models	#1025 of 5428	#1695 of 5428
Median miles at test	5,022	11,189
MOT tests analysed	560	37,699
Most common failure	lamps and reflectors	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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better

Component	Suzuki Gsxs 750 Z AM0	Triumph Street Triple
Lights & signalling	2.3%	2.6%
Brakes	1.1%	1.6%
Tyres & wheels	0.5%	1.2%
Steering & suspension	0.4%	1.2%
Structure & body	0.7%	0.7%
Drive system	0%	0.2%
Fuel & exhaust	0%	0.1%

A test that fails on two components counts once in each. Component links go to the bikes most likely to fail on it.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested

Test year	Suzuki Gsxs 750 Z AM0	Triumph Street Triple
2023	87.2%	87.5%
2024	90.1%	88.0%
2025	92.1%	86.4%

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	Suzuki Gsxs 750 Z AM0	Triumph Street Triple
0k-10k miles	90.6%	91.3%
10k-20k miles	84.8%	86.7%

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

Suzuki Gsxs 750 Z AM0 vs Triumph Street Triple FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Suzuki Gsxs 750 Z AM0 or the Triumph Street Triple?

The Suzuki Gsxs 750 Z AM0 passes its MOT first time more often than the Triumph Street Triple: 89.8% vs 87.7%, a 2.1-point lead. Adjusted for age, mileage and test class the two are level (+0.8 vs +1.3 points against comparable bikes), so the raw gap is mostly down to how old and how used each fleet is. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Suzuki Gsxs 750 Z AM0 fail its MOT on most?

Lights & signalling: 2.3% of Suzuki Gsxs 750 Z AM0 MOT tests failed on it, then brakes (1.1%).

What does the Triumph Street Triple fail its MOT on most?

Lights & signalling: 2.6% of Triumph Street Triple MOT tests failed on it, then brakes (1.6%).

SUZUKI GSXS 750 Z AM0 89.8% pass · 560 tests TRIUMPH STREET TRIPLE 87.7% pass · 37.7k tests

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