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big bore

  1. Suzuki
    As much as I would like to have a 39mm, I have more than exhausted my funds for my build :(. I got an FCR 37mm off of a 2008 CRF250R (for free :D). I'm running an athena 440 big bore, hotcams stage 2 intake and exhaust cams, mrd Pro-z pipe, and 3x3 mod. No idea how to jet this thing. Will this...
  2. New Supermoto Riders/Members
    Hey everyone, So the site told me to post because i'm new, so I figured why not? Currently sitting here in Afghanistan finishing up my tour, and plan to buy a DRZ400sm for my first bike. I have ridden that, a DR650, and a CBR600. BY FAR the most fun out of all three, but I am preaching to the...
  3. Bikes
    I have my old track bike for sale. I went through it and had everything rebuilt a while back and have not had the chance to ride over the last year or two. Too many toys so this one needs to go. I have back protectors, tire warmers, and boots that can be negotiated into the deal. The bike...
  4. Bikes
    Selling my 07 Suzuki DR-Z400SM in Denver, CO. Eddie Sisneros at Epic Motosports installed a 440 big bore kit, along with an E model base gasket that ups the compression ratio. Combined with the FCR-39MX carb and the MRD SSW pipe, this bike makes over 30% more power than a stock bike. It will run...
  5. Tech/Setups for Supermoto
    i want to put a big bore kit on my aprilia, anyone know any links to a tutorial or some help? how hard are they to do? Thanks :anim_peep:
  6. Tech/Setups for Supermoto
    Hello, I am looking at a Big Bore kit for my DRZ. I found one that is a steal of a price from a guy. It is a cylinder with a 453cc sleeve. He is also selling a used but rebuilt 41.5mm FCR carb. My questions are, is this a good kit? Is it too big and will my reliability suffer a lot? Also...
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