BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Suzuki RV 125 L3 Van Van vs Yamaha YBR 125

The Suzuki RV 125 L3 Van Van passes its MOT first time more often than the Yamaha YBR 125: 85.4% vs 71.0%, a 14.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Suzuki RV 125 L3 Van Van Yamaha YBR 125
First-time pass rate 85.4% 71.0%
Outright fail rate 6.6% 17.1%
Vs comparable bikes (age & mileage adjusted) +11.5 pts -1.1 pts
Engine size 125cc 124cc
Rank among all models #2385 of 5428 #4664 of 5428
Median miles at test 7,122 10,652
MOT tests analysed 512 124,897
Most common failure structure and attachments 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 RV 125 L3 Van Van Yamaha YBR 125
Lights & signalling 2.0% 8.5%
Steering & suspension 2.0% 6.5%
Brakes 2.1% 5.9%
Structure & body 3.3% 3.8%
Tyres & wheels 0.6% 4.4%
Drive system 0.6% 2.9%
Fuel & exhaust 0% 0.6%

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 RV 125 L3 Van Van Yamaha YBR 125
2018 82.4% 72.0%
2019 84.4% 71.8%
2020 85.7% 73.4%
2021 88.7% 71.6%
2022 85.1% 71.3%
2023 82.4% 71.1%
2024 82.9% 70.9%
2025 82.1% 71.2%

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 Suzuki RV 125 L3 Van Van Yamaha YBR 125
0k-10k miles 87.1% 76.8%
10k-20k miles 83.3% 67.4%

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

Suzuki RV 125 L3 Van Van vs Yamaha YBR 125 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Suzuki RV 125 L3 Van Van or the Yamaha YBR 125?

The Suzuki RV 125 L3 Van Van passes its MOT first time more often than the Yamaha YBR 125: 85.4% vs 71.0%, a 14.4-point lead. Adjusted for age, mileage and test class, the Suzuki RV 125 L3 Van Van still comes out ahead: +11.5 points vs comparable bikes for the Suzuki RV 125 L3 Van Van, -1.1 for the Yamaha YBR 125. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Suzuki RV 125 L3 Van Van fail its MOT on most?

Structure & body: 3.3% of Suzuki RV 125 L3 Van Van MOT tests failed on it, then brakes (2.1%).

What does the Yamaha YBR 125 fail its MOT on most?

Lights & signalling: 8.5% of Yamaha YBR 125 MOT tests failed on it, then steering & suspension (6.5%).

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