2007 XR 650L Exhaust

6 replies to this topic
  • motivater

Posted November 09, 2006 - 08:46 AM


Hey guys............Do you need to rejet your XR if you unscrew and take out the silencer on the end of the exhaust and that is all you do?

  • wheelnut46

Posted November 09, 2006 - 06:21 PM


I'm pretty sure you need to re-jet no matter what.:cheers:

  • swm007

Posted November 09, 2006 - 08:44 PM


Hello, you dont have to rejet, But those bikes are running real lean from the factory!..You will have to Dremel the two welds on the silencer, then remove the two screws..then a little high temp spray paint!.. But you dont have to rejet when you take the silencer out..It just makes a lot more power, and makes your bike run cooler, therefore making the engine last longer..You really need a smog block off kit to..I just traded my 06 L for a 07 R...I have been through all of the uncorking process on both my bikes...

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  • goblin127

Posted November 09, 2006 - 09:00 PM


The best thing you could do would be to leave the pipe alone,do the Daves mods get it dialed in. Save some money up and buy your self a slip on or better yet a complete system.

  • scoobymac2

Posted January 30, 2007 - 10:34 AM


hey i have an 07 xr 650l and i'm trying to decied what to do for jetting. i want to ride and don't have the money for an exhaust. i have a dyno jet kit and k&n filter with the air box snorkel removed. i have also took the silencer out does any one what what i should be running for jets and air screw setting? i have never messed with a carb in my life and would like some help. this might help other people as well thanks alot.

  • Motosprtman

Posted January 30, 2007 - 10:56 AM


use the DJ, needle, spring and 160 main jet. Then get a Kehien 55 pilot from the Honda stealer. about 2 1/4 tunrs out on the air fuel screw. The Uni filter flows better then the K&N and is cheaper. You will notice a easier starting bike and better drivability (runs better) power increase comes with the addition of an aftermarket exhaust. Not huge - but pulls stronger and longer.

  • pgiinc

Posted January 30, 2007 - 06:39 PM


put it back please no gains like that
Do Daves Mods
if you want and a slip on but leave the stock pipe stock

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