Engine/EFI/Drivetrain | KFX 450 HQ Forum

No pump or spark

18

347

Setup a Lexx fuel controller

2 3

58

851

1

68

5

162

by Sooqa

6

132

Bog at 1/2 to Full throttle

8

316

Rebuild 08 KFX450R or buy a new ATV?

5

675

by FranciscoG831

Kfx450r overheating problem

3

177

2008 kfx450 not starting with e-start

15

282

Bogging over 1/2 throttle.

2

21

4K

2008 kfx 450r coolant level has never dropped

3

119

2008 kfx 450r leaks oil need suggestions

9

194

KFX will run well, but will not start normally

6

177

Wiseco fuel controller

4

343

by blue99stroker

2008 KFX450R won't start

1

220

KFX 450R Beast not starting...

2

21

718

Wiseco clutch question

0

112

7

228

Weird noise when reving

2

154

Kfx450 lexx programmer question

2

28

594

cutting out and popping

15

387

Won’t start after rebuild..

2

141

fci with hmf tuner

1

171

Coolant Boiling

2

203

HELP!! Quad dying kfx450r 2008

1

211

08 Kfx450r HELP!

3

211

by Bryan Juehrs

2009 kfx450r dies while riding.

5

389

ayuda sobre ajustes procom

7

424

Wont start just clicks

5

262

by Blake09kfx450r

FI light blinks and wouldnt start.

4

4K

by Durk

stripped oil drain bolt hole

2

31

20K

starter relay problems

19

3K

Injector Problems- HELP

2 3

42

11K

Stuck in reverse and neutral

1

220

Carbon build up on valves

2

160