MOT reliability
Kawasaki Z400j
152 vehicles · 658 completed MOT tests analysed
80%
MOT pass rate
Based on 152 Kawasaki Z400j vehicles and 658 completed MOT tests, the Kawasaki Z400j has an overall 80% pass rate, with an average recorded mileage of 31,830 miles.
152
Vehicles
658
MOT tests
574
Avg miles / year
1
Faults per test
1%
Dangerous-fault share
Kawasaki Z400j problem areas
Where faults occur most across all Kawasaki Z400j MOT tests:
-
Other92%
-
Brakes11%
-
Steering10%
-
Tyres, wheels & suspension4%
-
Body & structure3%
-
Lamps & electrical3%
-
Seatbelts & equipment2%
-
Emissions & nuisance1%
Kawasaki Z400j pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 1 | 100% |
| 5 | 3 | 67% |
| 8 | 2 | 50% |
| 9 | 1 | 100% |
| 10 | 3 | 67% |
| 11 | 2 | 100% |
| 12 | 2 | 50% |
| 13 | 3 | 67% |
| 14 | 2 | 50% |
| 15 | 3 | 100% |
| 16 | 3 | 100% |
| 17 | 2 | 100% |
| 18 | 2 | 100% |
| 19 | 1 | 100% |
| 20 | 2 | 100% |
Fuel types: Petrol (152)
Most common Kawasaki Z400j MOT faults
These are the faults and advisories recorded most often across Kawasaki Z400j MOT tests:
- Rear reflector on motorcycle missing (1.4.1) (16 times)
- Drive chain slightly loose (6.2.1d) (16 times)
- Exhaust is leaking but is not excessively noisey (7.1.1b) (15 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (14 times)
- Drive chain sprocket carrier worn but not considered excessive (6.2.1e) (13 times)
- Front Tyre worn close to the legal limit (4.1.3(ii)) (12 times)
- Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (12 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (12 times)
- Front Brake disc(s) slightly scored (3.2.A1l) (11 times)
- Exhaust noisy (7.1.2) (11 times)
- Horn not working (1.7.3a) (10 times)
- Drive chain worn but not considered excessive (6.2.1e) (9 times)
- Rear wheel bearings have slight free play (2.4.A.2c) (9 times)
- Headlamp aim too low (1.6) (8 times)
- Front Roller brake test indicates a binding brake (3.3.A1a) (8 times)
Kawasaki Z400j pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 1 | 2 | 50% | 5,979 |
| 2009 | 1 | 3 | 100% | 33,037 |
| 2000 | 1 | 2 | 50% | 58,738 |
| 1999 | 1 | 2 | 100% | 25,055 |
| 1998 | 1 | 4 | 75% | 57,657 |
| 1997 | 1 | 2 | 50% | 49,170 |
| 1995 | 1 | 1 | 100% | 16,967 |
| 1994 | 3 | 13 | 92% | 36,332 |
| 1993 | 1 | 17 | 71% | 47,262 |
| 1991 | 1 | 1 | 100% | 1,280 |
| 1985 | 1 | 4 | 75% | 19,819 |
| 1983 | 16 | 52 | 79% | 31,738 |
| 1982 | 34 | 152 | 80% | 35,713 |
| 1981 | 36 | 128 | 78% | 31,868 |
| 1980 | 37 | 189 | 80% | 29,399 |
| 1979 | 10 | 66 | 77% | 31,387 |
| 1978 | 1 | 6 | 100% | 43,183 |
| 1977 | 2 | 5 | 100% | 18,790 |
| 1976 | 3 | 9 | 100% | 20,012 |
Kawasaki Z400j reliability FAQ
Across 152 Kawasaki Z400j vehicles in our MOT data,
80% pass the MOT (a 20% failure rate), with about
1 faults or advisories recorded per test.
The most frequently recorded Kawasaki Z400j MOT issues are:
Rear reflector on motorcycle missing (1.4.1); Drive chain slightly loose (6.2.1d); Exhaust is leaking but is not excessively noisey (7.1.1b).
The typical Kawasaki Z400j in our data has covered around
31,830 miles.
Compare the Kawasaki Z400j
See how the Kawasaki Z400j stacks up against other Kawasaki models on MOT reliability:
Check a specific Kawasaki Z400j
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
See all Kawasaki models · Learn about common MOT failures · what an MOT checks