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02Ignite
06-07-2008, 03:20 PM
I have an 02 400ex and have heard crazy things about the TC505 kit! Can anyone else fill me in that has one or is familiar with them. Also where can i find it??

Hondamaster5505
06-09-2008, 06:09 PM
FST makes a 500cc stroker kit for the 400ex.

02Ignite
06-10-2008, 10:43 AM
Its my first 400 and i'm just looking to make it as fast as i can. Right now it has a stage II hotcam, hmf exhaust, K&N filter w/ no lid, and its no where near what i want it to be. Its going to be set for straight line no mx or anything. Any suggestions??

Hondamaster5505
06-10-2008, 01:16 PM
Originally posted by 02Ignite
Its my first 400 and i'm just looking to make it as fast as i can. Right now it has a stage II hotcam, hmf exhaust, K&N filter w/ no lid, and its no where near what i want it to be. Its going to be set for straight line no mx or anything. Any suggestions??

FST 500 BB kit.
Hotcams stage 3 or webcams
nitrous
Heavy port with +1mm valves
FCR carb

P&Rracing400ex
07-13-2008, 10:45 PM
were can i find the tc 505 or the fst 500 kit for the 400ex

pro-rider46
07-13-2008, 11:57 PM
Originally posted by Hondamaster5505
FST 500 BB kit.
Hotcams stage 3 or webcams
nitrous
Heavy port with +1mm valves
FCR carb

i would recommend only oversizing the exhaust valves only, because if you do the intake as well your defeating the purpose of the oversized exhaust valves

blue_ex_rider
07-14-2008, 12:42 PM
The 505 kit is a big stroke i wouldnt recommened it for a everyday riding bike not only is it a very big bore but also a really big stroke as well. I had a 490 and it overheated pretty easily. I would look more into the 4mm stroker that some of the people atre making. I believe they would suit better for a trail bike all i did with mine was drag race and it was a 7mm stroker like the one you are talking about tc makes. Also i would go with a good port and polish oversize valves. The web 479 grind cam and an fcr 39mm carb to go with that. And either a sparks x6 exhaust or an hmf. that would wake your 400 up well.

John451
07-14-2008, 01:50 PM
Originally posted by pro-rider46
i would recommend only oversizing the exhaust valves only, because if you do the intake as well your defeating the purpose of the oversized exhaust valves

Yeah which is why stock the exhaust is always a lil bigger than the intake

86 Quad R
07-15-2008, 01:08 PM
Originally posted by John451
Yeah which is why stock the exhaust is always a lil bigger than the intake http://www.mysmiley.net/imgs/smile/indifferent/indifferent0006.gif

P&Rracing400ex
07-16-2008, 02:31 PM
i am building a drag bike that is why i am looking for the biggest kit i can find. money isnt really an issue i want to make as much power as possible, if any one can tell me were to find the parts i would really appreciate it

blue_ex_rider
07-16-2008, 02:40 PM
If you can pm me your number I have been drag racing 400 for awhile now and I can tell you some of the things i learned from them and were to get the good stuff so if you leave a number and a good time to call i qill give you a ring. Or ypou can call me at 1 270 789 9280

Thanks Cody

I have had 2 drag 400's

John451
07-16-2008, 08:16 PM
Originally posted by 86 Quad R
http://www.mysmiley.net/imgs/smile/indifferent/indifferent0006.gif

lol