BIKERELIABILITY Reg check
League table/ Ariel Huntmaster/vs Kawasaki ZX-6R
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Ariel Huntmaster vs Kawasaki ZX-6R

The Ariel Huntmaster passes its MOT first time more often than the Kawasaki ZX-6R: 94.1% vs 78.1%, a 16.0-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Ariel Huntmaster Kawasaki ZX-6R
First-time pass rate 94.1% 78.1%
Outright fail rate 2.5% 14.0%
Engine size 650cc 599cc
Rank among all models #153 of 5428 #3895 of 5428
Median miles at test 16,267 19,446
MOT tests analysed 631 173,956
Most common failure steering and suspension 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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better
Component Ariel Huntmaster Kawasaki ZX-6R
Lights & signalling 1.0% 6.1%
Brakes 0.6% 5.2%
Steering & suspension 1.1% 4.6%
Tyres & wheels 0.3% 3.6%
Structure & body 0% 1.2%
Drive system 0% 1.0%
Fuel & exhaust 0% 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 Ariel Huntmaster Kawasaki ZX-6R
2006 96.7% 82.8%
2007 95.5% 81.0%
2008 92.6% 78.4%
2009 95.3% 76.6%
2010 92.9% 76.3%
2011 90.4% 76.6%
2012 95.6% 75.4%

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 Ariel Huntmaster Kawasaki ZX-6R
0k-10k miles 92.4% 86.1%
10k-20k miles 94.8% 80.6%
20k-30k miles 94.4% 75.4%
30k-40k miles 97.8% 71.8%
40k-50k miles 96.1% 69.5%
50k-60k miles 94.0% 69.0%

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

Ariel Huntmaster vs Kawasaki ZX-6R FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Ariel Huntmaster or the Kawasaki ZX-6R?

The Ariel Huntmaster passes its MOT first time more often than the Kawasaki ZX-6R: 94.1% vs 78.1%, a 16.0-point lead. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Ariel Huntmaster fail its MOT on most?

Steering & suspension: 1.1% of Ariel Huntmaster MOT tests failed on it, then lights & signalling (1.0%).

What does the Kawasaki ZX-6R fail its MOT on most?

Lights & signalling: 6.1% of Kawasaki ZX-6R MOT tests failed on it, then brakes (5.2%).

Which holds up better at high mileage, the Ariel Huntmaster or the Kawasaki ZX-6R?

At 50k-60k miles the Ariel Huntmaster passes first time more often: 94.0% for the Ariel Huntmaster vs 69.0% for the Kawasaki ZX-6R.

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