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DR-Z400 high Alt jetting

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Just bought my first DR-Z. But living in NM I'm riding at 5,000 to 10,000 feet. Any suggestions for jetting?

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Which bike? The S, SM and E all use different jetting. In fact the E has a completely different carb.

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The S model, that's good to know that carbs are diff on the E and the set up for each model would be diff too.

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I live at 5,300' and ride up to 8,000' commonly. I have the 'S' and I use a 130 main jet, 22.5 pilot jet and have the Dynojet needle at the 3rd clip with the extended fuel screw at about 2.5 turns.

Hope that helps.

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Just took my DRZ400S(CA) to 7,000ft in the Sierras near Lake Tahoe this weekend. Stock jetting and gearing. I survived but it "loaded up" occasionally at the high altitude. Stock gearing too tall for the nasty trails I went on. I WILL make the 3x3, jetting and yosh pipe changes in addition to way lower gearing!

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Went and got the 130 jet today, so far at 5100 feet it's running good, but the test will be this weekend when it goes above tree line.

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I live at 5,300' and ride up to 8,000' commonly. I have the 'S' and I use a 130 main jet, 22.5 pilot jet and have the Dynojet needle at the 3rd clip with the extended fuel screw at about 2.5 turns.

Hope that helps.

I'm at 4600 and using 136 main jet, stock pilot and 3rd clip on needle (also 2.5 turns). Dynojet/Yosh rc3 pipe. The settings were given to me by Eddie and work great.

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Eddie Sisneros recommended the following settings for 5000 to 13000 with 3x3, stock exhaust.

132 main jet

dj needle, clip 3

dj slide spring

22.5 pilot jet

13mm float level.

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I have an 06 DRZ400S and have been researching the parts and some links that might be helpful.

Carb Screws M4 3 x 10-mm and 1 x 12-mm - .7 pitch

Kientech DRZ400S Extended Fuel Mixture Screw

Dyno Jet STG -1 JET KT W/O FLTR DRZ400S Part# PU_10070050 and 3109

Mikuni Float Bowl Bolt Kit - Suzuki DRZ400S

http://mr-cob.smugmug.com/gallery/5955/1/183121 (The best)

http://www.thumpertalk.com/forum/showthread.php?t=378193&highlight=jettin

http://www.thumpertalk.com/forum/showthread.php?t=327405

http://www.thumpertalk.com/forum/sh...ad.php?t=327405

http://www.thumpertalk.com/forum/announcement.php?f=25&announcementid=106

http://www.cartestsoftware.com/fz1/jetkitinstallation.html

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Thanks for all the help. After looking around on here for the past couple days I can see my bank account shrinking!

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Thanks for all the help. After looking around on here for the past couple days I can see my bank account shrinking!

Yep and your smile growing.

The Dynojet needle really is worth the money. I wish I would have got one sooner. :thumbsup:

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I live at 5,300' and ride up to 8,000' commonly. I have the 'S' and I use a 130 main jet, 22.5 pilot jet and have the Dynojet needle at the 3rd clip with the extended fuel screw at about 2.5 turns.

Hope that helps.

I'm at 3600-6600ft and I use the same settings on my S (3X3, Yosh). Perfect as far as I can tell!

Dan

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MT the setup you gave works great. Acts like a totally different bike. But I could not get the needle out to set at the third clip. What's the trick to that? I figure I'll switch the needle out when I put on a new pipe.

Thanks in advance

Flymoose

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The needle is held in place by a plastic stopper thing that engages on the CV throttle valve slide via 4 small prongs. Gently pull out out and twist at the same time with a needlenose pliers. The retainer thingie has a small spring on it that pushes down on the needle, make sure you don't lose that. Also note that the needle has a nylon spacer and a washer that go under the clip.

Putting it back in requires care as the 4 plastic prongs on the throttle valve are fragile. Put the clip on the needle where you want it and reinstall, take the needle nose pliers and gently rotate the retainer as you gently push it back in place. Feel for the "click" which means the o-ring on the retainer has seated. I like to press the needle against the retainer a few times to make sure the spring is springing and the retainer is retaining.

Do not test your strength pushing that retainer on or you will snap the fragile prongs. The throttle valve cost about $50. Don't ask how I know :thumbsup:

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