ais removal question


8 replies to this topic
  • buggs bunny

Posted August 29, 2008 - 10:41 AM

#1

i just removed my ais off my 08 wr450 and the bike runs great just riding around the block once.i just put a pro billet insert into stock muffler also.do i need to re jet or just leave it alone.the reason i'm asking is because on a similar thread someone said." you'll want to re jet trust me." i don't want to miss out on a little extra power but i don't want:banghead: either.

  • Mtn-Track

Posted August 29, 2008 - 10:48 AM

#2

What elevation are you riding at?

  • buggs bunny

Posted August 29, 2008 - 11:27 AM

#3

3,573

  • SXP

Posted August 29, 2008 - 11:57 AM

#4

3,573


Exactly 3573? Are you sure, 'cause it's critical to giving you good advice! :thumbsup:

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  • Mtn-Track

Posted August 29, 2008 - 12:03 PM

#5

If you don't have any 'stutter' issues and it pulls good through the full range, leave it alone for now. My guess is that it's a little rich, but obviously it's your choice to start messing with it. From what I've found here on TT, it seems like everyone is running rich, but that also has to do with the needles they're running and other mods........

I'm at 5300' with the GYTR-AIS Removal Kit needle set on 2nd from the top, main jet is #152, rest of the carb is OEM. I haven't seen anybody else with that size main on here. Mine pulls HARD through the full range with no stutter.

  • Mtn-Track

Posted August 29, 2008 - 12:11 PM

#6

Exactly 3573? Are you sure, 'cause it's critical to giving you good advice! :thumbsup:


I forgot to mention that my set-up worked well until I went through a bar-ditch crossing the road. I almost got hit by a car while I was re-jetting so I could get to the other side.:worthy:

  • buggs bunny

Posted August 29, 2008 - 12:55 PM

#7

Exactly 3573? Are you sure, 'cause it's critical to giving you good advice! :thumbsup:


I'm as sure as the Internets advice.i typed in elevation of Roswell new Mexico and it was 3573:p thanks for all the input so far.my motorcycle dealer in albuquerque new Mexico thinks it should be a little rich because the AIs supposedly adds air to the cylinder to make the combustion cleaner.i'm not out to build a race bike i just like to be in a safe area so it's not to rich or to lean.i think it's fine, just making sure with people who know more than me.:worthy:

  • trailhead2004

Posted August 29, 2008 - 01:54 PM

#8

Yo BB,

I have an '08 and I definitely messed with the jetting. I did the uncorking of the exhaust, airbox snorkle (?) removal, AIS removed, etc. I rejetted mine because it was still getting the pipe glowing which told me it was too lean. However, I'm at sea level and you're at 3500 feet.

I'd go with a visual on the pipe myself, but that's just my take. If it's getting blue to purple when riding, I'd fatten it up a little. If it's fairly brown or not discolored at all, I'd leave it alone.

My $.02.

trailhead2004

  • Charles De Mar

Posted August 29, 2008 - 02:07 PM

#9

Yo, B-Bunny you should have made that left turn in albuquerque. ( I love that episode) What do the local aliens use for jetting?




 
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