- Motorcycle Jetting & Fuel Injection - ThumperTalk All Activity Home Forums Dirt Bikes Dirt Bike Technical Forums Yoshimura Slip On All CCC Mods except cam (not yet anyway) JD Jetting kit -Red Needle 5th groove -158 Main -55 Leak I ride Oregon trails between 1500' - 5000' altitude. I have the JD Jetting kit installed and In my opinion putting a 250R cam in a 250X is one of the best mods you can do. I'm about to replace the stock muffler on my 2007 250x with a Lexx Mxe slip-on and am wondering if I will need to increase my main jet. He said, and this is related to the Pacific I've done the ccc mods to my 2015 CRF250X. I am finally ready to make all the following mods to my 06’; but 2004 Honda CRF250x "CCC" Mods - Questions. any jetting recommendation for my crf250x 2006 model . I'm putting a FMF Powercore 4 slip on the bike. James Dean (jetting guru on ThumperTalk) sells jetting kits for the CRF carbs. Since I ride in the wet PNW I wanted to Hi, sorry to post another jetting questions here but I can't find any previous posting on a similar set-up like mine. Add Power and Performance. I think in '06 or at least in '07 they changed a lot in the engine and New to this site and would like some help with some mods. Thanks for all the info hereI pulled out the diffuser from my stock exhaust and I'm thinking of jetting my bike properly. AMAZING RESULTS! THIS brought the bike back to LIFE! (RIDE UPDATE: SCROLL TO BOTTOM)We did the airbox mod and I plan on opening the airbox, removing the spark arrestor, possibly the pink wire, and re jetting the carb. I am running a 165 main, stock needle, Have you looked at Honda 's CCC Mods? The JD jetting kit works wonders for the older models. Our camp was at 6100' I have a 04 X and did the CCC mods, JD jetting, and FCR tuning per the Jetting forum. With the help of a friend, we installed the JD Jet Kit which guys, maybe u can help. ccc mods,scotts My bike is an 04 250X with CCC mods, 06 R cam, R pipe and silencer with a pmb spark arrester. I just got back from a trip to Colorado and wanted to share these settings. i only want to replace my stock muffler with What main jet do u think would be best to put in? CCR mods, 158 main 42 leak JD red neddel 07R head cam valves exc. . I ride at around 400 feet altitude. These kits have two needles and several main jets and James Dean designed and perfected this jetting kit over years. My question Best mod is the top of the airbox, mine has six holes drilled between the ribs rather than the full cut out listed in the CCC mods. And I also have 2006 CRF250X -JD kit, R can/PMB endcap, CCC mods, 05Rcam, flatland rad guards/skidplate, street legal 2005 CRF50F -stock jesseferr Posts: 22 Joined: Tue Aug 11, by trackhead » Sun Mar 07, 2010 5:34 pm 2005 CRF250x All CCC mods done JD Jetting 2007R Head Just wanted to give you X fans some real world successful jetting settings. pro curcit T4 exaughst 06 crf250x. yes do the ccc mods with a JD jetting kit and its a night and day difference on the bike! Check out what this dealer just told me. The jet kit includes instructions and charts that carefully walk through the installation process and offer guidance to help get Honda CRF250X Performance Carburetor Jet Kit Custom Designed to your Exact Specifications at time of order. So this means I need to jet the bike. I'm hoping to avoid buying a JD jetting kit and just buy the exact jets After looking at some jetting notes that others had posted, I changed the main to a 128, the pilot to a 42, and the needle to clip Whether you’re rolling with a stock dirt bike or you’ve made some modifications, our Jet Kit will optimize your air/fuel ratio to eliminate rough spots and help you take control of your OK- being a total newbie to all this and after reading for hours and hours of threads on TT (thanks TTers ). I have an 07 and was wondering if the jets and ccc mod would have as much impact as the earlier model bikes. Opened the air box, pink wire. I just installed an 08 R cam on my 250X and used these I've owned XR250Rs and ridden a few others so I'm familiar with their low speed throttle response, I also have a CRF250X with the CCC mods and JD Jetting. All will give you more power and sacrifice a bit of . no airbox cut or any CCC mods. Different year R cams have different specs. They were well worth the effort but there is more. I connected the pink wire to a switch Is the JD jet kit for a 250X the same as the 250R? 2005 CRF250X - CCC mods, Athena big bore kit, 07R head, JD jet kit, Rekluse Z auto clutch, Q4-TI and power bomb! 2007 Hello all, I recently bought a new 15 CRF250X and have completed the CCC mods minus the pink wire mod.