BIKERELIABILITY Reg check
League table/ Triumph Tiger 110/vs Yamaha XT 660 Z Tenere
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Triumph Tiger 110 vs Yamaha XT 660 Z Tenere

The Triumph Tiger 110 passes its MOT first time more often than the Yamaha XT 660 Z Tenere: 93.1% vs 87.4%, a 5.7-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Triumph Tiger 110 Yamaha XT 660 Z Tenere
First-time pass rate 93.1% 87.4%
Outright fail rate 2.9% 6.0%
Engine size 650cc 660cc
Rank among all models #279 of 5428 #1787 of 5428
Median miles at test 12,494 16,356
MOT tests analysed 525 5,654
Most common failure lighting and signalling lamps and reflectors

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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better
Component Triumph Tiger 110 Yamaha XT 660 Z Tenere
Lights & signalling 1.3% 2.6%
Steering & suspension 1.0% 1.6%
Brakes 0.8% 1.7%
Tyres & wheels 0.6% 1.0%
Structure & body 0% 0.8%
Drive system 0.2% 0.4%
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 mileage

first-time MOT pass rate by miles on the clock at test
Mileage Triumph Tiger 110 Yamaha XT 660 Z Tenere
0k-10k miles 92.2% 93.0%
10k-20k miles 90.2% 87.9%
30k-40k miles 91.7% 82.6%
40k-50k miles 93.9% 77.9%

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

Triumph Tiger 110 vs Yamaha XT 660 Z Tenere FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Triumph Tiger 110 or the Yamaha XT 660 Z Tenere?

The Triumph Tiger 110 passes its MOT first time more often than the Yamaha XT 660 Z Tenere: 93.1% vs 87.4%, a 5.7-point lead. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Triumph Tiger 110 fail its MOT on most?

Lights & signalling: 1.3% of Triumph Tiger 110 MOT tests failed on it, then steering & suspension (1.0%).

What does the Yamaha XT 660 Z Tenere fail its MOT on most?

Lights & signalling: 2.6% of Yamaha XT 660 Z Tenere MOT tests failed on it, then brakes (1.7%).

Which holds up better at high mileage, the Triumph Tiger 110 or the Yamaha XT 660 Z Tenere?

At 40k-50k miles the Triumph Tiger 110 passes first time more often: 93.9% for the Triumph Tiger 110 vs 77.9% for the Yamaha XT 660 Z Tenere.

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