Common Mechanical Problems of the KFX 700 - Page 6 - Kawasaki ATV Forum
Kawasaki KFX700 V-Force Kawasaki's big-bore, V-twin sport machine!

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post #51 of 56 Old 06-08-2015, 02:30 PM
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Not the usual problems but I can't be the only one.

So, not a common problem but....the other day I was changing out the jets on my 2006 KFX for the what seems like the 100th time, to get the right fuel mixture, when one of the bolts I had in my hand dropped down this small hole in the air box. The tube attached to the hole is an "Air Vent" that goes right down into the crankcase. I checked the tube and it is not there. Next step drain the oil and see if the bolt comes out with the oil. Has anyone out there had to open the crankcase before? I head out for Florence, OR in a week and really don't want to ride my kids 250.

The other issue is it stuck in the reducer from the tube into the crankcase. Even with my small hands I can't get in there to take a look.

Last edited by dunerider1976; 06-08-2015 at 02:39 PM.
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post #52 of 56 Old 06-08-2015, 03:38 PM
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Try to get down there with a magnet. Might get lucky.

'08 Trailblazer SS black/black
'15 GMC Sierra SLT

'06 Brute 650sra
FST665, FST Cams, Full Muzzy, Innovate WideBand, Dyna CDI, 14-Hole MOD, Almond Secondary, No-Toil Super Flow, 27" Zilla's, Rox Handle Bar Kit, Progressive Springs, Elka Rear, Bigger Radiator, SPAL Fan, Temp Gauge
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post #53 of 56 Old 06-10-2015, 12:51 PM
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We had that happen to a friend's bike. It doesn't go all the way down. There are bosses inside the path that keep it from reaching the bottom. He was able to suck it out of the tube with an air-powered vacuum.

...
'04 KFX800
DSC 12:1 Pistons w/ Stg 2 cams, Ported Heads, 36mm carbs, Muzzy Super Pro, Dual MTX-L, VFJ Stg 3 Spidermod Clutch & Adj. Weights, +8 Swing Arm, Elka Shocks, 24" 14-paddle Staggered SLS Ripper paddles, BOSS NOSS 40-shot

'04 KFX730
Custom 84mm 12:1 JE Pistons w/ FST Stg 2 cams, Muzzy Super Pro, UPP Crossover Intakes, 8* Timing Key, Elka Shocks, +4 Swing Arm Extension, 24" 10-paddle Skat-Trak Extremes

'04 KFX730
Wiseco 84mm 11.5:1 Pistons w/ Fundy Trail/Race cams, Muzzy Super Pro, Crossover Intakes, 6* Timing Key, Works front & Elka Rear Shocks, +4 Swing Arm Extension, 24" 9-paddle Skat-Trak Extremes

'05 BF730 SRA

'04 Prairie 700
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post #54 of 56 Old 07-01-2015, 09:06 PM
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I adjusted the valves on mine a corroding to what the mannual said. A friend of mine also has a kfx 700 and he said the valves are bad about tightening theirselves up. So I did mine to the higher number in the range to adjust them. When I started it, the four wheeler started making a ticking noise. Should I just run it and wait for it to go away or try to fix it
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post #55 of 56 Old 05-14-2017, 11:35 PM
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I just bought mine, im glad to see this...
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post #56 of 56 Old 05-25-2017, 09:04 AM
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looking for a KFX 700

howdy folks, I've been looking for a KFX 700 for my wife and it seems every one one in my area for sale is an 04. I keep reading about the rocker shaft failure on the 04 models and I'm wondering if I should avoid them altogether? should I look at 06+ models? or is the rocker mod easy to fix, I saw that a member "Nathan" would do the mod, can anyone provide me his contact info? It won't let me send PM's yet. I appreciate any help and insight anyone can provide.
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