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kfx 450

  1. Hey everyone- new KFX guy here

    Member Introductions
    What's up everyone. Just introducing myself a bit, and I'm glad to be here. I used to race MX , flat-track, atv rodeos etc when I was younger during high school years (this was sometime shortly after the Civil War). Now I'm 47, an eye doctor with 3 kids and have had a moderately successful...
  2. KFX450R Leaking Oil

    General Discussion
    Ok I need some help so around September 2015 i bought a 2009 KFX450R Monster Energy Edition has a modquad intake system air filter and a power commander V so everything was fine for a while then late 2015 I was riding it and it just died in the woods I thought it was out of gas so I went and put...
  3. Lexx programmer tempromental issue

    I recently completed the build of my 08. I installed a STD bore wiesco 12.4 piston, Stage 2 hotcams , a FCI with a box and full yoshi exhaust. I had planned on buying a PIM 2 but I recently traded for an 09 with a cracked case that had a LEXX 3 button programmer on it so I just pulled that off...
  4. 2008 KFX450R Problems

    Okay guys, I got my Kfx a while back and I'm pretty much new to these ATVs. So back to the problem I would be going and the KFX would be running fine but when I hit 75-100% throttle it would miss and sputter really, really bad. And me and my brother was trying to fix it and we seen a website...
  5. Cmf aluminum intake any good?

    whats up people, I came across cmf and make a intake for a a decent price and I know everybody recommends fci but its a little on the high side. just wanted to know your guys thoughts.
  6. KFX450R Air Box Airbox Intake CFM Performance

    hi i have 2 kfx 450s one has a fci intake w box a procom and full exhaust the other has a full exhaust the kawi adj ecu and a fuel controller but a completely stock intake and airbox setup. I know the fci is the best but i like the cfm setup anyone have expericence w it and how much of a drastic...
  7. Fuel Controller needed with just an exhaust

    Dyno/Tuning Room
    Need help guys just got a 2011 kfx 450 and I was wondering if I needed a fuel controller if I was going to just run a full system pro circuit t4 exhaust with stock air filter and cloded box I am planning to put a intake and fuel controller later when I get more money just got the exhaust for now...
  8. HELP!!! Latest model kfx

    So I'm new to the whole kfx scene i have just bought the latest model and I was just wondering what year model for parts I am looking for online is it still the 2011 as I am led to believe or will all NERF Bars and skid plates fit the frame Any help would be great Cheers Rusty
  9. What aftermarket parts should I get for my KFX 450r

    Member Introductions
    Hi there, I just got a KFX 450r and iv put holeshot back tires on it, yoshimura slip on exaust, and front and back sprockets. I would like to get more speed out of my quad but any aftermarket parts that you guys think would be good then please let me know. Thanks!!
  10. KFX 450R Battery

    General Discussion
    Hi, i need some help. i have a kfx 450r and to put the power cut on when I turn off the bike, avoid spending unnecessary battery? my bike was a week without turning on with a new battery, and no longer starts. Thanks. Tiago Oliveira
  11. KFX 450R Part out sale!!

    For Sale / Wanted
    2009 kfx 450r part out sale! Reposted in another thread. Check it out
  12. 2009 Kfx 450r For Sale

    For Sale / Wanted
    Practice bike For Sale: 2009 Kfx 450r KFX 450r 2009 Monster Energy Edition Kawasaki. Its like new and a very clean quad. This quad come with a title, low hours (around 20), and with around 4000$ in new aftermarket parts/mods on it alone. This bike runs amazing. Oil and oil filter changed after...
  13. WTB Flexx Handlebars

    For Sale / Wanted
    Hey everybody. Wondering if anybody can help me out. I'm really trying to get my build done but without handlebars i'm out of luck. The set of Flexx bars I ordered is on backorder for 2 weeks maybe longer plus a week to ship. The only reason I haven't cancelled is because of the super price I...
  14. Exhaust

    Member Introductions
    hi i just got my kfx 450r and i was looking to buy an exhaust pipe. Does any one have any suggestions about which exhaust i should buy, and what are your thoughts on dual exaust systems. Thanks guys please comment.
  15. Elka Stage 4 and Factory Shocks

    For Sale / Wanted
    I recently got access to a bunch of Elka shocks at a really great price and I figured I would see if anyone on here is interested. All the shocks are brand new sealed in the box ready to ship out. If you're intersted you can PM me or email me at [email protected] I have available: All for...
  16. Greetings from Belgium + New KFX

    Member Introductions
    Hey guys, I'm Vincent, I live in Belgium and I bought a new kfx450 back in 2009. Since then I changed something weekly and this is how my kfx looks like now: I got street tires because my kfx is street legal, But don't wurry, I drive this thing in MUD to : MX style: I'll...
  17. New KFX Build in Progress

    Pictures and Videos
    Hey guys, just thought I show off some progress on my MX KFX450 project I'm doing. Dumping lots of money into it, really happy with where it's going! Bought er bone stock, soon to be full national built bike.