KAWASAKI Z1100 R1
Pass rate over time
The Z1100 R1's first-time pass rate has risen 10.7 points since 2006, 89.3% to 100.0%.
Pass rate by mileage
A low-mileage Z1100 R1 passes first time 90.0% of the time; by 50k that's 81.3%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a Z1100 R1
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
33 | 35.9 | 0.5× |
| brakes |
|
24 | 26.1 | 0.5× |
| steering and suspension |
|
8 | 8.7 | 0.3× |
| tyres and wheels |
|
7 | 7.6 | 0.4× |
| fuel and exhaust |
|
6 | 6.5 | 1.1× |
| reg plates and vin |
|
4 | 4.3 | 0.7× |
| drive system |
|
4 | 4.3 | 0.8× |
| driving controls |
|
3 | 3.3 | 1.8× |
| structure and attachments |
|
2 | 2.2 | 0.4× |
| lamps and reflectors |
|
1 | 1.1 | 0.1× |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.
How rivals compare
On first-time pass rate the Z1100 R1 beats 3 of its 4 closest rivals (BMW R1200, BMW R1150, TRIUMPH SPRINT).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the Z1100 R1.
Pass rate by registration year
Best year to buy used: 1984 (90.9% pass). Weakest: 1986 (87.4%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
KAWASAKI Z1100 R1 FAQ
Is the KAWASAKI Z1100 R1 reliable?
The KAWASAKI Z1100 R1 is more reliable than average for its class: 89.5% of its 704 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1111 of 5426 models.
What does a Z1100 R1 fail its MOT on most?
lighting and signalling — 36% of all defects recorded against failed Z1100 R1 tests.
What is the best year of Z1100 R1 to buy used?
By first-time pass rate, 1984-registered examples do best (90.9%) and 1986 worst (87.4%). Condition and history still trump the year.
How many miles will a Z1100 R1 last?
The median Z1100 R1 shows 29,117 miles at test, and examples around 50k miles still pass 81.3% of the time — mileage alone rarely kills one.