Engine/EFI/Drivetrain | KFX 450 HQ Forum

Which way should the starter spin?

4

4K

by bikeplug301_8231

Starter Clutch: How to/ and what to replace?

13

15K

by Melman

Quad just shuts off

11

391

by Bcoult

Failing coil symptoms?

14

285

Ecu/ fuel pump issues

6

209

Sprocket Sizes I should run?

12

6K

which COIL is the best?

2 3

43

12K

by BT115

Jetting question 39mm keihin fcr swapped kfx450r

0

127

by BT115

2008 kfx 450r need help installing water pump bearings and seals

0

114

by [email protected]

Who went w/the ProCom Adjustable ECU?

4 5 6

119

27K

by blzcarmouche

Setup a Lexx fuel controller

4 5 6

100

11K

Hot fault

1

216

KFX450R wont start

7

574

Oil pump feed and scavenge pump covers

2

455

by BT115

FCR carb conversion

2 3

41

18K

Not getting power to fuel pump

1

312

Shuts Off When Idle Knob is Pushed In

2

28

1K

Valve clearence

1

429

NEWB! 2014 Service Manual Needed/Fan not coming on

4

440

Need Help hard start

4

398

Help Piston

2

380

Bogging over 1/2 throttle.

2

23

8K

08 full throttle bog

6

5K

kfx 450r 08 bogging problems

10

7K

2012 KFX 450r - Is this setup well?

2

541

by Melman

2008 KFX 450r will not run HELP!!

16

940

KFX450r Blown Engines...

2

35

23K

by Melman

KFX450R Low Top Speed

9

530

Timing

15

711

KFX450 08 no start

2

394

How do i wire my fan to turn on when i turn the key?

5

2K

by Debwms

New top-end now hard to cold start.

4

582

by Grubes

Can’t get to start

8

545

Engine dies after fast throttle cut off.

1

398

Injector Problems- HELP

2 3

44

17K