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Burned, DRZ400E(K4) Re Jet??

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Burned, I was wondering if you can help me?

I have just fitted a DEP (www.deppipes.com) rear silencer(inc link pipe) to my DRZ400E(K4). The head pipe is std, std E air box, so i'm wondering what to re jet to?

It seems to surge at the moment when riding along at a steady pace and wont always tickover to well (dies every now and then).

The bike has now only covered say 15 miles so its brand new.

Any help greatly appreciated. :banghead:

Cheers

Darren :banghead:

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try opening the fuel screw to 2.5 turns and confirm the needle clip is in the 5th spot.

the standard 165 main jet is fine if not to rich.

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I'll give it a go.

Is there a mod on the E air box as well that can be done??

Is that 2.5 turns out from fully in??

Cheers

Darren :banghead:

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Burned,What will the settings be if I was to remove the coast enrichner valve?

Sorry to go on what is the snorkle removal you can do in the air box?

Cheers

Darren

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O.K Burned, So lets get this 100% clear in a comp jetting novice's head:

DRZ400E(K4).

DEP Silencer inc link pipe.

Std E air Box.

Std Eng.

So I take off the coast enrichner; I put in a 38 pilot jet and 75 pilot air jet; I open the fuel screw to 2.5 turns from fully seated and confirm the needle clip is in the 5th spot; You say the standard 165 main jet is fine (if not to rich) What would you suggest if it were to rich?

If you can confirm this :banghead: then I can go buy my jets and have ago this weekend. 🤣

Cheers for all the advice.

Darren :banghead:

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you will end with the fuel screw between 1.5 and 2 turns with that set up.

160-162 main jet would be closer.

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