Search Results for ‘kfx 400’

I recently bought a 2003 kfx400. I know it has had some work done to it but I dont know everything that was done. My issue is the clutch grabs in a way that leaves almost 0 room for play or error. Meaning if you dont pin the throttle as your letting it out you're more than likely to stall it...

Hello everyone. Been having a problem with my kfx 400 that I can never get a reading on the dip stick. The bike takes 2000ml of oil so I added a little extra to try to get it on the stick and still nothing. If I drain it I get out the exact amount I put in basically so it’s not burning it off...

I was cleaning up the carb and using a rebuild kit on this quad that had been sitting for years. When I put it back together I had 1 extra part. Never a good thing! A tiny o-ring fell out from somewhere and I have no idea where. I've looked at exploded views of the carb and I just can't figure...

What is the best hot cam for a KFX 400 been looking into them lately? If you know where I can get them that would be great!

I had it for a run there today, it ran alright for a couple kilometres then just died.. I looked into the oil resivouir and it was full to the brim with milky oil anti freeze mix, let it all drain back down and after couple minutes it started again.. Does that sound like the head is gone? I'd...

so my 2004 kfx 400 was running bad, spittin and sputterin. the spark plug cap corroded and lost connection. Quad sat for a month in the garage, then i got the cap and wire to get connection but still wouldnt start. then I checked the oil and it was way too full. then took out the bolt on...

My coolant level is very low, but when I checked the oil resivouir it was near full to the top, I'm guessing the two are mixing.. What might the problem be anyone know?

I'm looking at getting a upgraded cdi for my 06 kfx. I see ppl say to get Dynatek but I can't find one for a 06. Anyone know if the one for 03-04 has the same plug as 06 or if there's one for 06 out there and if not what's some good alternatives?

bought used, the owner said he got it from his boss who used it to move boats and had built a custom extra quiet muffler for this purpose. I still dont understand how you could move boats with this type of design and he couldnt find the super quiet muffler his boss scratch built. the guy had...

I have an 03' KFX400 and I have been having trouble getting it in time right after a new chain. I've done it before and just used a screw driver to get it TDC but it ain't working out for me now for some reason. If anybody could please give me advice on anything with the timing that would be...

I just replaced the timing chain in my kfx and now when it turns over it's blowing air back out the carburetor, which is the exact same thing it was doing with the old chain in. Could someone please help.

I just replaced the timing chain on my 03' kfx 400 I took the pressure plates and clutch basket and everything off and now that it's back on I have no tension when I pull my clutch in. I know everything went back the way it's supposed to but I don't know what could be the problem?

I got a 2006 KFX400 and recently I was riding it, and it started to bog down. I checked gas and figured I was low. so I filled it up, and it continued to bog. I called the mechanic that had done the work on the bike previously. and he suggested that it might be a clutch switch. so checked it...

Hey guys, I recently had to purchase a new battery for my kfx 400. It was in storage and the battery went dead. I can't remember which wire is positive and which wire is negative. I posted a picture below and would appreciate any advice. The wires are not labeled. Thanks in advance! [=

Hi guys, I was riding my 03 kfx today and i was going up a road and I would hit the throttle and it would kinda sound like it was back firing and I would let off the throttle it would be fine I got to a buddys house and I knew something was bad wrong so I got to checking stuff looked at my oil...

Well here it goes. I used to ride the heck out of my bike until the police really cracked down on our riding spot. So my bike has sat for about 2 years. I would start it and take a quick spin no problems. On the last time I went out I did not think to check the air filter( which was dry rotted)...

I have a kfx 400 i bought recently and i just changed the oil today for the first time. I drained the oil tank and it had water in it, the oil was milky white at first then some clean oil came out, I added a little oil about 2 weeks ago so im guessing that was the clean oil that came out. I...

I have a 2003 KFX 400. My lower ball joint fell right out. Can you buy the lower ball joint or a new A-Arm would have to be put in?

Hello, I have a 2003 KFX 400 and im thinking of putting a 13T front sprocket on it because I live in Yuma, AZ where all you see is sand dunes everywhere you go. Would you go for a 13T for the Sand Dunes??? and what Rear sprocket should you use if you put in a 13T front sprocket???? I do a lot...

Hello, When I accelerate my 2003 kfx 400 bluish smoke comes out from the exhaust. It looks like blue smoke but what can it be if it was white smoke also? My carburator was just cleaned and re-jetted a week ago and also the valves have been adjusted a week ago. It has a new ngk iridium cre7ix...