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View Full Version : COLBY 39mm FCR HELP PLEASE!!!!


Waynes400ex
10-17-2003, 08:04 AM
I just rebuilt my bike it is a 440 with 11 to 1 JE piston a hrc came and a k&n filter with a ct exhaust. My question is where should my FCR be at? What main jet what needle? (why that needle) Also what should my screws be set at? which is which also? I have heard you are the man at getting FCR dialed in, so i figured I would ask you !!!! Thanks for the info in advance
Colby@C&DRacing
10-17-2003, 11:16 AM
I would start with a 175 main,it should be pretty close. a 52 pilot and an EMP needle in the middle clip, fuel screw 2.5 turns out and the adjustable air jet 2 turns out. This should get you pretty close.:)
TC440EX
10-17-2003, 11:15 PM
Which carb is better? Lectron, Edelbrock, stock modified, Kehin? I have a 440 with 11.7 comp., ported head, custom pipe(large headpipe). Web cam stage1, K&N, modified air box, went down two teeth on rear sprocket. The motor flattens out on top end. Jetting is right on. The stock carb flows 38.4mm. Looking for a different opinion. Thnaks.
cals400ex
10-17-2003, 11:47 PM
TC, what jetting you running?

most agree that the fcr is the best carb as far as performance gains.
Waynes400ex
10-23-2003, 05:10 PM
I'm also running the cooler plug that you recommended I think it is a 9 does thats make a difference in the size of jets and adjustments?
Waynes400ex
10-23-2003, 05:11 PM
I live in southern cA is that going to make a difference also?
HOT-ROD
10-23-2003, 07:21 PM
:confused:
Waynes400ex
10-24-2003, 09:25 AM
Will running the 9 plug effect the sizes and settings you gave me? I also live in southern Ca , if that helps!!
Waynes400ex
10-24-2003, 06:19 PM
Should I be able to pickup a EMP needle from my local dealer? If so is it from a fcr carb , or is it a special order needle? Thanks for all the help!!
Waynes400ex
10-25-2003, 09:46 AM
anybody else know ?
luvmyex
10-25-2003, 06:17 PM
No you should order it from Colby.After all he has helped ya out im sure.Only $11 shipped i think it was.I just put one in mine today and right off it ran great!so support the site and C&D racing!
cals400ex
10-25-2003, 09:19 PM
sorry, i can't help much with the fcr carb since i am running a stock carb. however, the drp9z plug should not change your jetting. it may make the bike run a little cooler but that is it. it may have a few stumbles until the bike warms up too and it may also make it a little harder to start.
Waynes400ex
10-26-2003, 01:31 AM
I didnt realize it was only 11 shipped.
Admin
10-26-2003, 07:26 AM
C&D Racing has been at the 12 Hours of America is why they haven't responded. They will be back on Monday.
Waynes400ex
10-27-2003, 09:44 AM
Colby cam you email at Vandals909@aol.com so I can get the EMP needle from you , i need it before thursday or friday cause i'am leaving for glamis
Waynes400ex
10-28-2003, 11:21 AM
Is C&D back yet ?
Colby@C&DRacing
10-28-2003, 07:47 PM
The needle are only $11 when shipped in the mail. :)
Waynes400ex
10-28-2003, 07:53 PM
Colby can you email me , our give me your # so I can call you, Do you think I will gett the needle by friday ?
Waynes400ex
10-28-2003, 07:54 PM
If not , can I get the needle from a local dealer? what is the needle out of? Cause it doesnt show a EMP needle in a YZF parts finder.?
Colby@C&DRacing
10-28-2003, 11:20 PM
You can call me at the number at the top of the screen( 308)696-7805. The needle is not out of an oem carb it is a special needle.
Waynes400ex
10-29-2003, 10:00 AM
Colby if i order it from you today is there anyway you can get it to me before on or before friday ?