Ninja 400 Complaints, Issues And Problems | Ninja 400 Riders Forum

Installed Yoyodyne, clutch adjustment problems

2

26

450

Drain Plug repaired with Helicoil...leaking

6

158

Timing Chain tensioner recall 2021 model

16

571

Bike overheating?

2

38

26K

5

294

Bike shakes and stalls/shuts off at stops (when braking)

2

23

464

by Baxter

Oxygen sensor heater malfunction (code 67)

2 3 4

62

5K

by jd41

Grating vibration after chain adjustment

2 3

40

2K

Wheel speed sensor recall

12

3K

by RC65

Speedometer Accuracy...

2

28

8K

Gas gauge & odometer confusion

18

439

Clutch wont disengage

4

456

Troubleshooting a Starting Issue (not the Battery)

2

22

2K

Coolant Leak - anyone know what this hole in the bottom of the water pump is? I’m leaking coolant from it. Is it a drain? Did a fastener fall out?

5

668

by Boostismyfriend

Check engine light on code 67 (oxygen sensor heater)

8

423

Lower Fairing Bolt size and thread?

2

182

2012 Ninja 400R Vibrations At 6000rpm to 7000rpm

2

346

by mickey2wheels

2021 Ninja 400 won't start in neutral with side stand down

13

787

by Rich T

Potential Defect: Rear Caliper

5

420

by Rich T

Gas Tank Electrical Plug

14

531

Problem Shifting Gears On New 400's

10 11 12

220

85K

Cluster cracked?

14

1K

by Baxter

Engine area ticking/chattering noise

2 3

45

7K

Is there a way to tighten the stock front foot pegs?

7

599

Not sure if my 2018 Ninja 400 has ABS

16

1K

Oil consumption

2 3

45

6K

by Masterblaster

Only shifts to 1st and N

8

530

by RC65

Rear tire gets really bumpy hard vibrations up and down

18

877

by xorbe

Ninja 400 blown head gasket

3 4 5

99

33K

Milky white substance

15

1K

Issue with clutch - too much slack once put back together

7

1K

Ninja 400 Power Loss

2

22

2K

How to access/replace Tip Over sensor

3

1K

Did I lose something?

18

1K

Die/Shut Off When Clutch is Engage on Low Speed Turn

4

645

by Rich T