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View Full Version : Running my e-series striaght threw



300exracer
03-29-2003, 07:54 AM
I am thinking about running my e-series straight threw but not to shure. I know it will be louder but i have mine re jeted to a 128 main jet and thats with 12 disks. Would i have to re jet it and would the power gains be any better. thanks for any replies:D and i need help with this :confused:

DantheEXman
03-29-2003, 07:55 AM
dont do it. It will lose power if ya can believe it.

lilpoppy
03-29-2003, 08:06 AM
The white brothers manual says you can do it but you will lose power so I don't recomend it.

fmf400ex
03-29-2003, 08:29 AM
I have to agree with everybody else. They say that running it with 12 disks is the best setup for the most power.

400exBro
03-29-2003, 10:07 AM
that is if you want low end... when removing the s/a you actuall add a few up top and in the mid range but loose power down low... i run mine with out the s/a for mx racing...

sweet300ex
03-29-2003, 10:46 AM
it will lose power and mess up the backpressure, and its just gonna cause trouble with the noise

cool 300ex
03-29-2003, 02:58 PM
I just got my whitebrothers today!I am runing it start throght.Because it came with only 4discs.I did not lose power buy runing it this way.I can do better weehlies in 3rd now with it like this.I just need to get my jet kit because it breaks up to much on top end without it.

lilpoppy
03-29-2003, 03:14 PM
Originally posted by cool 300ex
I just got my whitebrothers today!I am runing it start throght.Because it came with only 4discs.I did not lose power buy runing it this way.I can do better weehlies in 3rd now with it like this.I just need to get my jet kit because it breaks up to much on top end without it.

How do you know if you lost power or not if you havn't run it with 12 disks yet?:huh

cool 300ex
03-29-2003, 03:25 PM
I can tell computered to just 4 discs and runing it staright throught.Stairght throught i have more power!!!!!!!!!!!!!!!

lilpoppy
03-29-2003, 03:49 PM
try 12 then get back to us.

northeast400
03-30-2003, 02:08 AM
I think 18 works the best, read the dyno sheet the pipe can with, I ran mine with 12 discs and it was great, then i read the manual and installed 18 discs rejetted and it rocked, little loud though

zoom400ex
03-30-2003, 04:34 AM
i think that 12 or more is the best way to go.............you are gonna do a number on your valves running it straight through

jchevy
03-30-2003, 07:12 AM
Its not going to have any effect on your valves running it straight through.

For all around riding i beleive 12 discks is the best combination for my bike. But at the dunes where im WOT all the time i run no spark arrestor.

300exracer
03-30-2003, 11:09 AM
Ok thanks and i have another question? Do u think it would be good with 18 disks or would i have to re jet agian.

lilpoppy
03-30-2003, 11:44 AM
If you are going from straight through to 18 disks you will probably need to rejet but if you are going from 12 to 18 you might not have to just do a plug check and check it out.

250x#93
03-30-2003, 12:54 PM
I wonder how much difference it really makes:huh I don't really understand the disks. So I got a pro-circuit HEHE:p