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kfx 450r

  1. General Discussion
    So i bought this kfx from my friend a while ago and was running fine till now I was riding with my friend and i knew I was low on gas but I was going to go refill it so im just riding it and it bogged then just shut off on me so I thought I ran out of gas so I went and got gas and it still...
  2. General Discussion
    Hey everyone I'm running a full dasa exhaust and I recently purchased a weisco fuel controller..I was looking at a velocity intake a cfm intake and a fci and I also run in mostly dry conditions with just tiny ammounts of water splashing here and there,would running with a pre filter with no box...
  3. Engine/EFI/Drivetrain
    Hi I have a 2008 kfx 450r efi and I seem to be having some problems with bogging, and lack of power. When I run the quad it will run fine but sometimes when I restart the quad the f.i or overheating light by the bars will randomly turn on and the quad will bog, sputter, stall out, and not want...
  4. Dyno/Tuning Room
    Hello everybody! I am new to this site but have used it in the past to solve other problems but i have a two questions id be grateful for if you guys could help me out! 1.) Whats the best slip on performance wise, im tight on money thats why i cant go full exhaust right now, i will be putting...
  5. General Discussion
    I have a 2009 kfx 450r with a fmf factory 4.1 silencer with ss mid-pipe and a fmf efi power programmer. I am looking for a intake to add some additional power. my main questions are what intakes will work with my setup and I also need one that will work for trail riding, going through mud, water...
  6. General Discussion
    Hi, i'm new to this forum and need some help with what i should buy for my quad. I just bought a 2009 KFX 450r monster edition. i was looking to upgrade it, maybe a full exhaust, and power commander, maybe an intake too. If i buy anything, what should i buy and where's some place with it at a...
  7. Member Introductions
    i have a 08 kfx 450r with a yoshi comp full exhaust, k&n air filter, and everything else is stalk. a buddy and i went out riding and once the engine got warm i noticed it cutting out, and sputtering. once i got past half throttle it would come out of it and run fine. i stopped and it was still...
  8. For Sale / Wanted
    i have a 2007 yfz 450 with a baldwin engine that can run 92 octane has walsh a arms and swingarm and a +2 steering stem ohlin shocks all around pro taper bars bike has about 20hrs on it and also have new dwt rims and tires coming quad has alot more there is $23000 stuck into it and $6000 is...
  9. Engine/EFI/Drivetrain
    Hey guys, I am really stumped at what has been going on with my 08 kfx 450r. I have had numerous people look at my quad including a kawi mechanics. My quad starts up great when its cold without any problems, It is not lacking any power and feels great when i ride. When i come off the track and...
  10. For Sale / Wanted
    Parting out my 09 Walsh Monster Energy motor race bike these are the parts I still have along with like new stock parts im selling also. -Walsh racecraft ported/polished/flow head with Kibblewhite Valves and Springs>>>SOLD -Hotcams stage 3 camshafts>>>SOLD -Transmission complete>>>SOLD...
  11. For Sale / Wanted
    2008 kfx 450r ~ Carbon fiber and diamond plated custom one of a kind plastics, black powder coated rear wheel hubs, pro armor nerf bars, pro armor heel guards, pro armor fat pegs,full aftermarket exhaust with heat wrap, K&N intake, green CV4 coolant hoses, hand guards, full skid plates including...
  12. Hi!

    Member Introductions
    Hi My name is Erick I'm From Costa Rica, I own a Shop with my father were we See all kinds of ATV 4x4 and 4x2 in all the common brands, I have always ride ATVs but until a now I'm starting to get a little serious. Thats why I dicide to take one kfx 450r '08 and start to give it some love...
  13. Engine/EFI/Drivetrain
    I have a 08 with a full system FMF exhaust, FMF power programmer,15T front sprocket and I just put on a velocity intake. When I bought the bike it already had the power programmer on it and the previous owner turned all eight of the modes all the way up, which I know can't be good for the bike...
  14. Pictures and Videos
    '08 KFX450r day 1 -FMF Powercore 4 exausht -FMF Power Bomb -FMF power programmer -Nerf bars -Blingstar front bumper Today -New nerfs -Add-on fenders -Pipe wrap -One Industries Masacre graphics -Next to come silver race hood, any other suggestions?
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