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Carb tuning [Archive] - Garage208

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DICKARM
02-12-2010, 02:28 PM
Well, I'm going to be buying a new carb for my supermoto & I need a little info on what I should be doing as far as jetting the carb properly. I know dick about carbs, so that's why I'm asking you guise!

I'm upgrading to the keihin 39mm fcr carb off of a crf450. The kit I'm buying has a bunch of different jets that comes with it. I'm going to get a new head pipe & tail section. I just want it to run good. Not sure which jets to use for the mods I have and the climate & elevation of the valley

So any advice would be helpful

here is the kit: http://shop.thumpertalk.com/product_p/int_keihin_drzfcrmx.htm

Jserman
02-13-2010, 11:14 AM
from my experience carbs are all trial and error... when I got a carb kit for my Z400 it also got a jet kit with it and it had some base setting to start at including how to set the clip on the needle. main and slow jet settings... a wide band is never a bad thing to have....

DICKARM
02-13-2010, 12:06 PM
I might just fuck with it til I figure it out, that way I'll learn how to do it

DICKARM
02-13-2010, 12:06 PM
Z400? Like drz400? This is going on my drz400 motard btw

Jserman
02-13-2010, 11:43 PM
no Z400 quad but I am sure it's the same motor.....

DICKARM
02-16-2010, 07:37 PM
http://www.mrd-racing.com/site_003.JPG

this is the pipe I'm getting. makes the same hp as the full Ti Yosh pipe except it's half the price.


I need to get the fuck off this rock

omg its drunk scott.
02-16-2010, 10:06 PM
yeah fuck hawaii

DICKARM
02-17-2010, 01:47 AM
If I wasn't into cars, computers, bikes & FOUR seasons, I would stay here indefinately.

MacDrizzle
02-18-2010, 04:02 PM
Im thinking the motard 400 is a wee bit hotter than the Z400 engine but i'm not positive. Too bad you aren't around here I know some guys who could help you out.

DICKARM
02-18-2010, 07:15 PM
Yea mine has been modded. K&N, open up the airbox (3x3 mod) JD jet kit & debaffled stock exhaust. I'm getting the 39mm fcr carb to replace the gutless stock carb, along with the MRD exhaust. I also just bought a new sm fender from acerbis today.

Looks like this vvvvv but black

http://i38.photobucket.com/albums/e148/speedracer93/DRZ400sm/DSCN0024.jpg

next thing is to get rid of the huge taillight/turn signals & replace with this:
http://img301.imageshack.us/img301/6914/dsc00808largeez7.jpg

DICKARM
02-18-2010, 07:21 PM
And an HID kit

DICKARM
02-25-2010, 03:22 AM
Got my new fender today. I still need to hack it up but from the looks of it, it will flow more air into my radiators and it's just plain bitchin

http://img.photobucket.com/albums/v688/WRIEN/f9025d08.jpg

omg its drunk scott.
02-25-2010, 05:32 PM
too bad you dont actually live with your motard, idiot-jerk. move back and do wheelies already.

DICKARM
03-11-2010, 05:15 PM
^^^^^
I'm comin back, jeeeez

DICKARM
03-23-2010, 05:04 PM
Can a mod move this to members rides? Maybe change the title to "my drz400 supertard"