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

Data as of: DVSA MOT results to 2025

Kawasaki ZR 900 Clfb vs BMW R1200

The Kawasaki ZR 900 Clfb passes its MOT first time more often than the BMW R1200: 95.8% vs 92.9%, a 2.9-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Kawasaki ZR 900 Clfb BMW R1200
First-time pass rate 95.8% 92.9%
Outright fail rate 1.3% 3.7%
Vs comparable bikes (age & mileage adjusted) +6.3 pts +8.6 pts
Engine size 948cc 1,170cc
Rank among all models #32 of 5428 #315 of 5428
Median miles at test 4,003 20,069
MOT tests analysed 694 299,381
Most common failure tyres 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 Kawasaki ZR 900 Clfb BMW R1200
Tyres & wheels 0.6% 1.0%
Brakes 0% 1.5%
Lights & signalling 0.1% 0.9%
Steering & suspension 0.1% 0.7%
Structure & body 0.3% 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 Kawasaki ZR 900 Clfb BMW R1200
2022 100.0% 93.8%
2023 95.5% 94.1%
2024 97.4% 94.0%
2025 94.0% 94.2%

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 Kawasaki ZR 900 Clfb BMW R1200
0k-10k miles 96.4% 94.8%
10k-20k miles 94.4% 93.7%

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

Kawasaki ZR 900 Clfb vs BMW R1200 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Kawasaki ZR 900 Clfb or the BMW R1200?

The Kawasaki ZR 900 Clfb passes its MOT first time more often than the BMW R1200: 95.8% vs 92.9%, a 2.9-point lead. Adjusted for age, mileage and test class, the BMW R1200 still comes out ahead: +6.3 points vs comparable bikes for the Kawasaki ZR 900 Clfb, +8.6 for the BMW R1200. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Kawasaki ZR 900 Clfb fail its MOT on most?

Tyres & wheels: 0.6% of Kawasaki ZR 900 Clfb MOT tests failed on it, then structure & body (0.3%).

What does the BMW R1200 fail its MOT on most?

Brakes: 1.5% of BMW R1200 MOT tests failed on it, then tyres & wheels (1.0%).

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