Engine and Technical Discussion | Ninja 400 Riders Forum

Sticky Torque Figures Inside!

6

20K

7

151

Has anyone blown up a 400

2

27

2K

Building Go Kart from Ninja 400 Engine (Need some help)

4 5 6

100

4K

by Boostismyfriend

Leaving coolant drained over winter?

10

308

Weight of OEM parts that come off when install rearsets?

15

1K

Reverse (GP) shift pattern conversion

18

10K

by RollingThunder69

Z400 Not Starting

8

727

Clutch Slipping, Poor Shifting, False Neutrals, Dropping Gears - Explained & Fixed!

5 6 7

133

21K

Clutch arm spring mod

4 5 6

107

27K

by topdec

Oxygen Sensor Eliminator - Potential Tuning Use on a Ninja 400 / Z 400

2 3 4

68

3K

by Zguy

2nd ecu for flash

2 3

54

2K

3

833

Question about new Ninja 400

10

667

Service Manual for 2021 Ninja 400 ABS - will this one work?

3

390

Engine breaking making the ride jerky

8

619

Error 25, Gear Position Sensor

3 4 5

83

6K

by BMHS

8

326

Front sprocket cover

15

540

Engine Top End Disassembly with Norton Cylinder Coolant Seal Replacement

3 4 5

87

6K

13t front driven sprocket and alloy rear

2

27

9K

Fuel range and average not working

8

491

by Smithy

12

584

Sprocket Change Opinion/Experience

4 5 6

102

9K

400 alternator rotor dimensions needed

3

326

by Michael Moore

Frequent Backfiring

13

5K

What maintenance should I be doing at what intervals

9

685

2

27

1K

Accessory power leads not working

13

3K

by Rich T

Ok, here we go.

2 3

42

1K

Chain slack adjustment

17

614

Norton Motorsports ECU flash and velocity stack review

2 3

54

17K

Strange black drip

2

20

1K

Help! - F$*%&@^ Sprocket Nut Removal

15

4K

Removing judder spring

3

470

by FWRLRA

New Battery Installition & Charge

0

443