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kfx400

  1. Its Something that i missed? Engine Problem? kfx400

    Kawasaki KFX450/KFX400
    Hi people mi name is steve im new in the forum, and i speak spanish so i will do my best todo tell you my problem, i got a kfx 400 2004, and i rebuild the engine like 3 months ago, i buy need cylinder new top head valves chrankshaft everything haha i destroyed the motor hahaha, but the engine...
  2. Kfx 400 cylinder head motor mount broken

    Kawasaki KFX450/KFX400
    I wrecked awhile back and destroyed the frame and when I was putting all the parts into a new frame I noticed the motor mount on the back side of the cylinder head had broke off. Is this weldable or do I need to buy a new head?
  3. Valve suggestions?

    Kawasaki KFX450/KFX400
    Hey guys! I'm newer to these forums, but been registered for a while. I have a KFX400 that to my knowledge is mostly stock besides the full exhaust and nerf bars. Anyway, lately my KFX400 hasn't been wanting to start easily. It takes like 3 minutes of cranking (with about 5-10 second breaks...
  4. kfx400 Routine maintenance

    Kawasaki KFX450/KFX400
    Hey everyone, I just got my first quad. A 2003 KFX400. It seems pretty stock. I'm not really sure what to do in terms of maintenance for the bike. I am so confused with reading about transmission oil, brake fluid, motor oil, engine filter, air boxes ETC... I am completely lost. Could one of...
  5. 2005 KFX400 Question

    Kawasaki KFX450/KFX400
    Sorry if this has been asked before, I am new here and i just got a 2005 KFX 400. The Frame is bent, pushing the right wheel back farther than the left, causing a pull to the right. Will a 2004 Frame Work for the 2005? The threaded holes where the subframe bolts up to look to be different, so i...
  6. 04 kaw kfx400 breaks up at mid throttle

    Kawasaki KFX450/KFX400
    i bought a 04 kawasaki kfx 400 a few weeks ago.. i gave it a oil change, new spark plug, cleaned the carb and jets, cleaned and oiled air filter, cleaned the gas tank... it starts good idles well as i start to ride and slowly open the throttle or even go to crack it open when i get to mid...
  7. Kfx 400

    Kawasaki KFX450/KFX400
    Kfx400 transmission problem I have a kf400 that I have just rebuilt with 440 bbk +4mm crank and stage two hot cams. Everything seems to be working in that area. But the transmission is playing up. It is hard the get into neutral and 1st and jumps out of gears as I am riding. When I pulled the...
  8. Kfx400 big bore kit and hotrods crankshaft

    Kawasaki KFX450/KFX400
    Hi, I have a 2004 kfx400 and wanting to put a vertex 94mm big bore kit with hotrods +4mm crank and I'm thinking stage 1 hotcams camshafts, is the anything else I should do? Also i will be rejetting the carby does any one know what jets I should start with?
  9. Battery help '02 kfx 400

    Kawasaki KFX450/KFX400
    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! [=
  10. 2006 KFX400 Question

    Kawasaki KFX450/KFX400
    I recently bought this 400 and in looking it over I have noticed I need quite a bit of little things to fix it up. It is still rideable which is good, mostly its cosmetic stuff and a few odds and ends that will need to be purchased at a later time. The question I have is what years of Suzuki...
  11. KFX400 starting issue

    Kawasaki KFX450/KFX400
    Everytime I go to start the quad by the starter the engine will just turn over. But it will start fine everytime I pop start it and will run fine. Does anyone know why this happens? Is it possibly I need to give my battery a charge? Thank you.
  12. ball bearings

    Kawasaki KFX450/KFX400
    my question is simple what type of ball bearings do a kfx400 2005 take i need to get new ones. also what info do need to get new ones if it is not a matter of just going to the store and saying i need kfx400 ball bearings.
  13. any ideas?

    Kawasaki KFX450/KFX400
    hi every one i have a kfx400 it is 2005. and i need help on what to to do right now my first question is i don't know if i should get a full system or slip on exhaust? (the pipe that goes from the engine to the exhaust has this orange look to it (rust i think) my second question is i want an...
  14. WTF is wrong?

    Kawasaki KFX450/KFX400
    OK.from the begining. Went for a short ride the day before my race a couple weeks ago. My wiring harness somehow fell far enough down from the sub frame on my 04 kfx 400 that when my suspension compressed, the chain cut through one wire, and exposed bare wire on 2 more. my quad then killed...
  15. 06 KFX400 carb / jet / throttle engine problems

    Kawasaki KFX450/KFX400
    So my 06 kfx400 has never given me a bit of trouble, over the weekend i was riding some local trails and about an hour into it cut out on a hill climb. I thought i fouled a plug so i had to run full choke and couldnt give it ANY throttle or it would die. i limped her home, replaced the plug and...
  16. kfx 400 race??

    Kawasaki KFX450/KFX400
    kfx 400 race worthy?? can a 2005 kfx400 with a moose air filter, slip on exhaust (no jet kit) and extended axle and a-arms be fast enough to race
  17. 2005 kfx 400 low hrs

    For Sale
    The bike has 48 hrs ride time and is in good shape needs seat cover for small rip that ocured during storage bought quad and boat package deal previous owner said that they rode it verry little and not hard at all u can tell they wasnt lying no wear on shifter or hardly anywhere tittys are still...
  18. Kfx400 (connecticut)

    For Sale
    gone gone gone
  19. 2008 KFX400 exhaust too loud!!

    Kawasaki KFX450/KFX400
    Hi, I have a 2008 kfx400 with a performance exhaust that is really loud, and even though it is a nice sound I have neighbours. As standard exhausts are so hard to get hold of what is a cheap and quiet performance exhaust to replace it with? Thanks Jamie
  20. kfx450r motor into a 2004 kfx400

    Kawasaki KFX450/KFX400
    would it be possible to swap a kfx450r motor into my 2004 kfx400 ?? would it be a good way to save money rather than buying the kfx450r itself?
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