BIKERELIABILITY Reg check
League table/ Yamaha YZF-R1/vs Suzuki GSXR750
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Yamaha YZF-R1 vs Suzuki GSXR750

The Yamaha YZF-R1 passes its MOT first time more often than the Suzuki GSXR750: 84.1% vs 79.8%, a 4.3-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Yamaha YZF-R1 Suzuki GSXR750
First-time pass rate 84.1% 79.8%
Outright fail rate 7.8% 11.4%
Vs comparable bikes (age & mileage adjusted) -0.5 pts -4.4 pts
Engine size 998cc 749cc
Rank among all models #2721 of 5428 #3628 of 5428
Median miles at test 16,705 18,166
MOT tests analysed 231,553 99,227
Most common failure lighting and signalling 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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better
Component Yamaha YZF-R1 Suzuki GSXR750
Lights & signalling 4.3% 6.2%
Brakes 1.7% 3.7%
Tyres & wheels 1.9% 2.5%
Steering & suspension 1.4% 2.9%
Structure & body 0.6% 1.0%
Fuel & exhaust 0.5% 0.8%
Drive system 0.4% 0.8%

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 Yamaha YZF-R1 Suzuki GSXR750
2018 85.1% 82.1%
2019 85.6% 81.6%
2020 86.7% 82.2%
2021 85.8% 81.6%
2022 86.4% 82.2%
2023 87.2% 84.2%
2024 88.2% 84.1%
2025 87.9% 85.2%

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 Yamaha YZF-R1 Suzuki GSXR750
0k-10k miles 87.8% 85.3%
10k-20k miles 84.7% 81.6%
20k-30k miles 82.4% 77.3%
30k-40k miles 80.2% 74.1%
40k-50k miles 78.8% 74.2%
50k-60k miles 78.1% 71.6%

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

Yamaha YZF-R1 vs Suzuki GSXR750 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Yamaha YZF-R1 or the Suzuki GSXR750?

The Yamaha YZF-R1 passes its MOT first time more often than the Suzuki GSXR750: 84.1% vs 79.8%, a 4.3-point lead. Adjusted for age, mileage and test class, the Yamaha YZF-R1 still comes out ahead: -0.5 points vs comparable bikes for the Yamaha YZF-R1, -4.4 for the Suzuki GSXR750. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Yamaha YZF-R1 fail its MOT on most?

Lights & signalling: 4.3% of Yamaha YZF-R1 MOT tests failed on it, then tyres & wheels (1.9%).

What does the Suzuki GSXR750 fail its MOT on most?

Lights & signalling: 6.2% of Suzuki GSXR750 MOT tests failed on it, then brakes (3.7%).

Which holds up better at high mileage, the Yamaha YZF-R1 or the Suzuki GSXR750?

At 50k-60k miles the Yamaha YZF-R1 passes first time more often: 78.1% for the Yamaha YZF-R1 vs 71.6% for the Suzuki GSXR750.

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