White Brothers E2

3 replies to this topic
  • Motosprtman

Posted February 20, 2006 - 07:48 AM


I just installed a white brothers E2 on my 2005 XR650L, I am running the Dynojet kit with a 160 main installed, needle e-clip in 3rd position, airbox snorkle removed and UNi air filetr, IMS smog block off kit. Started it yesterday after installation of the E2 pipe and loved the sound, performance is ... WOW! motor seems to be using less effort overall, 2nd gear roll on wheelies at just a twist of the grip. :thumbsup:

The only thing I encountered in installing the white brothers E2 was that the aft fender mount hole had to be drilled to accomodate the spacer (spacer bolt diameter is larger than the OEM 10mm hole).

Now I would like to move onto I think some acerbis handgaurds and also some smaller - yet functional dual sport mirrors to replace the stock ones, that seem to be so tall! I also have an XR400 front fender on the way.

Other mods done to bike, Baja designs skid plate, acerbis fork and disc gaurds.

I love my XR650L!!!! wonder why the OEM guys plug em up so bad! they run sooooooooooooooooo MUCH better uncorked! I know EPA is part of it, think they would go after bigger polluters than bikes!

  • martinfan30

Posted February 20, 2006 - 03:18 PM


sweet pipe huh bro! i love mine. i didnt drill anything when i installed min tho.ill have to look at mine and see what i did.

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  • Motosprtman

Posted February 21, 2006 - 06:02 AM


Yea man! like I said I did not have the time to drill the slide and try the 165 main jet, but I plan on doing that - just to see if there will be any additional difference. Runs clean now and idles well, although seems lean when cold and that popping back on a downhill is certainly an indication of lean condition, soooooooo..I will go up to the 165 and see if that helps and also do a plug read before and after. I know that drilling the slide only improves throttle response.

  • rkuckkahn

Posted February 21, 2006 - 10:23 AM


You obviously have the formula and know how to adjust it all. I have the White Bros e-series and use 7 discs and the baffel.......works great with a 58/160 jets at 3800 feet. No backfire, good mpg, lots of "extra" power for my taste.

Use the plug reading (color) to dial it all in.

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