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JD or Dynojet

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I have a 2007 400e with a FCR39 carb. I am putting a MRD/SSW system on it. Will put new jet kit in as well. Is there a difference between the JD and Dynojet kits? Is one better than the other for 400e? Will I need an extended fuel screw as well? Thanks 

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Definitely the go with the JD kit, it's a little more, but it is a complete kit. I would recommend getting the extended fuel screw (Assuming your 07 has the Mikuni carb).

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Definitely the go with the JD kit, it's a little more, but it is a complete kit. I would recommend getting the extended fuel screw (Assuming your 07 has the Mikuni carb).

He just said it has a FCR39 carb.

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I think Ohio has not had his coffee yet........

 

He just said it has a FCR39 carb.

 

Haha... fail on my part. Yeah I skipped right over that part.

 

If it's the MX carb, the regular extended screw won't clear, you'll need the flexjet one. If it's a on slant body style FCR a regular extended screw will fit.

 

What's the current jetting of your FCR then?

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Will I need the Kientech fuel screw with JD jet kit? I have 2007 400e non california bike with the original FCR39 carb. Looking to buy JDS001 Jet Kit. Is the JDFM045 a Kientech FS?

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i'm running the flex jet fuel screw on slant body fcr,i recommend it,just don't attach it to the float bowl or it will hit the starter motor

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