Engine/EFI/Drivetrain | KFX 450 HQ Forum

KFX450R wont start

5

164

Not getting power to fuel pump

1

32

Shuts Off When Idle Knob is Pushed In

2

28

628

Valve clearence

1

101

NEWB! 2014 Service Manual Needed/Fan not coming on

4

217

Need Help hard start

4

119

2

124

Bogging over 1/2 throttle.

2

23

7K

08 full throttle bog

6

5K

kfx 450r 08 bogging problems

10

6K

2012 KFX 450r - Is this setup well?

2

274

by Melman

2008 KFX 450r will not run HELP!!

16

608

KFX450r Blown Engines...

2

35

22K

by Melman

KFX450R Low Top Speed

9

231

15

465

KFX450 08 no start

2

202

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

343

by Grubes

Can’t get to start

8

324

Engine dies after fast throttle cut off.

1

203

Injector Problems- HELP

2 3

44

16K

Procom ecu help

4

304

by blue99stroker

2007 KFX450 quad wiring harness differences in newer kfx450 harness??

4

500

by BT115

Procom owners!!

4

1K

by Melman

Just died in middle of riding

Ink
4 mo ago

5

264

2

246

2

188

by xTombz

Quad won’t start when hot

0

275

FI Light stays on..AGAIN

4

441

5

277

Kfx450r won’t start hot

2

457

08 runs way too rich. Need some advice.

2

218

by KVRGRNRIDR68

Bike runs for 3 seconds then dies, please help

2

184

Just did full rebuild now won’t start just clicks

5

323

full rebuild and now it won’t start

0

243