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View Full Version : 400ex Makeover...come inside.



Slochrane
01-14-2008, 03:53 AM
I picked up this 400ex about a month ago. My friends all have YFZ450's, so one of them is ragging on me that my quads a piece junk. Well if it takes me $10k i will make this quad run as good or better than his! This is what im starting with i have a box full of new parts so far and if honda of troy ever get there heads out of there butt's i will have a few more. I will be adding alot of pics of my progress.
Stay tuned!!!

Slochrane
01-14-2008, 03:55 AM
pic 2

mitchamus
01-14-2008, 06:12 AM
It might not be as fast as a YFZ but a least it will run every time. Every one i know with a YFZ has something go wrong with it on every ride we are on.

SRH
01-14-2008, 05:15 PM
i got both, equally reliable yfz is more maintence, putting the money in the 400ex to beat them is a waste of time, all they have to do is some mild mods and they will be way ahead

97WarriorRider
01-14-2008, 05:25 PM
looks like you got quite a bit of work to do...your prolly gunna need that 10k

oleboy87
01-14-2008, 05:35 PM
well what are your plans for the ole ex?

f150mann
01-14-2008, 05:39 PM
you guys know, 450s arent THAT fast right.. everyone seems to think that on here.

3k in motor work would eat the piss out of a 450

Ruby Soho
01-14-2008, 05:48 PM
true that haha

btw f150 hows your build doing?

STUNTIN400EX
01-14-2008, 06:06 PM
nice ex!!! looks just like mine. you really should think about sending your engine to a professional builder. good luck

Slochrane
01-14-2008, 06:19 PM
I am hetrick racing, im getting the 440 national kit with the aluminum sleeve, ported and polished head and HD studs.

I have a insane performance airbox and uni -filter, I have a full yosh rs-3 comp carbon coming tomorrow. After I get the shocks and wheels in I will be sending her to Hetrick hopefully end of feb early march.

hetrick told me I would be atleast in the mid 40's with that kit.

Also waiting on Honda of Troy for my plastics...see my other post for that nightmare.

Slochrane
01-15-2008, 02:46 AM
Ok the teardown begins. I installed the insane performance airbox tonight and took the stock exhaust off as the new yosh carbon should be here in the morning!
I ordered a uni filter for a 400ex but it was 2" bigger than the stocker, it wouldnt fit in the new box so i had to put the used one in until I get something else.

Slochrane
01-15-2008, 02:47 AM
installed.

Slochrane
01-15-2008, 02:48 AM
closeup.

Slochrane
01-15-2008, 02:50 AM
The uni filter that came was tagged for the 400ex and 450r was to big to fit in this box so I had to put the dirty stocker on until the new one comes. Wont be ordering it from honda of troy thats for sure!

Slochrane
01-15-2008, 02:55 AM
heres how it all fits in the box with the stock sized filter. Im overall very happy with the insane product so far.

Slochrane
01-15-2008, 02:57 AM
Here it is with the lid on. The lid has holes drilled in the bottom with a baffle on top.

Slochrane
01-15-2008, 02:59 AM
Here what the underside of the lid looks like, and this is where i call it a night.

More pics later on today since it's 5am here. Yoshi carbon will hopefully be here!

maxfior
01-15-2008, 07:33 AM
Interesting airbox... Do they make a pre-filter for the lid? Or is it just the open holes? Looks good with your build, keep us posted!

Max

Honda#4
01-15-2008, 07:49 AM
Air box looks good

Slochrane
01-15-2008, 11:51 AM
Well the Yoshi has arrived!!!! I Dont have time to install it this afternoon but when I get home tonight after work it will be going on!

ny300exrider
01-15-2008, 02:15 PM
i LOVE that exhaust....that thing is going to look and sound great

mat1977
01-15-2008, 02:42 PM
Nice airbox and nice exhaust!Looks sick!And I really like the new plastics.....Oh wait thats right neither of us have got them yet!!!!!!!!!!!!:rolleyes:

nick249420
01-15-2008, 05:20 PM
thye said that EX is a piece of junk??

HA
that actually pretty nice for used i bet it out lasts that YFZ

lawdog800
01-15-2008, 07:41 PM
Where did you get that airbox, That thing is awesome..I like the battery inside...

cannibal67
01-15-2008, 08:01 PM
Yeah I like the air box. Where did you get it and how much did it cost? What about your starter wire and stuff did you have to get longer ones or did the stock ones reach inside the air box?

Phillburt57
01-16-2008, 01:07 PM
Is that a new EX headlght set up I see???? Did you get the new plastic Kit?

mittman
01-16-2008, 01:24 PM
you got to hurry up:D , i cant wait to see what it looks like when its all done

Slochrane
01-17-2008, 02:33 AM
I didnt order the kit but yes i bought the parts from troy which im still waiting for to do the conversion. I got the graphics kit and a trail tech clamp and dash from ebay.

Im going to try and get some of this stuff installed today ...got fat bars and a new filter kit and a few other little things coming today also.....stay tuned.

Slochrane
01-17-2008, 03:16 AM
I paid a guy $1900 for this quad about a week before Christmas. I think that was a good deal, thats why I decided I could put $3000 or so into this thing and have a sick quad the way I want it for 5 or 6K. Mean while my friends have almost 7k into there 450's off the dealer floor. I think i can be pretty competitive with them whenever Iam done.

ctheojr450
01-17-2008, 05:20 AM
I think it comes down to rider ability when you match up a 440ex to a 450...Yeah the 450 definatly has an advantage in alot of areas...But if you put someone on a 440 that can really ride it will be a close call....just my opinion....oh and save 3-4 grand

f150mann
01-17-2008, 05:34 AM
i like that seat cover, can you buy them without buying the graphics kit?

Slochrane
01-17-2008, 11:28 AM
Not sure i got the whole kit for 53 bucks.
I dont think Im going to have time to install anything yet again today. 12hr day today in the steel mill. Oh well that means more parts on the way soon.

atvhonda-rider
01-17-2008, 12:04 PM
keep it bro looks great and good choices on parts, ive noticed insane performance before and im thinking about buying a box from them soon... remember on motor work, its not all about bore.. its about combination of parts and air flow... a 416 with web cam hardened rockers +1mm valves a good port and polish job with a beatiful carb may run a lil faster and more reliable than that 440... just my opinion tho.. and you can always bore UP after a 416 : )

Slochrane
01-21-2008, 10:04 AM
Ok, i'am back at it. I had some trouble with the bolts on the head so I have to go and order a few from the local Honda shop so the exhaust isn't on yet.:mad:
Now some good news, I called Honda of troy and tracked my package it will be here tomorrow :) about freakin time!

So i started putting the bars on, I got a set of renthal contour big bars to go with my trail tech clamp and dash. Also I picked up a Team Alba Billet thumb throttle on ebay for $15 bucks! Im going to get some ASV levers from Ebay next and that will complete my controls.

Slochrane
01-21-2008, 10:09 AM
I also got a Twin air Power flow kit from Ebay for $5 bucks :D I couldnt believe it!!! It fits great in the Insane Performance airbox.
the Power Flow kit has a sweet Billet adapter that the filter bolts to, its a nice piece. this is what it all looks like together.

oleboy87
01-21-2008, 03:38 PM
dude that thing is going to be ridiculous when you are done! i like the way that airbox fits in there its all soo clean!

tman12345
01-21-2008, 03:45 PM
i like the airbox and seat cover is sick, its going to look sweet put together

250exkid
01-21-2008, 04:07 PM
who ever ur friend is with the YFZ must be a stuck up rich ****** lol if he calls ur atv junk... id buy that in a heart beat,, nice parts!!! im jealouse i only just bought a cheap hmf lol wish i could afford a sparks x-6 bigcore... but man love the air box to!!

Slochrane
01-21-2008, 08:44 PM
Thanks for all the nice comments guys. :)

I'm off Thursday,Friday and Saturday so more to come!

bansheemorphine
01-22-2008, 10:10 AM
doesn't look like you got much filter oil on that filter i take it thats just for the time being make sure u don't run it like that or ur motor won't last long

Slochrane
01-23-2008, 06:26 AM
Thanks! yeah Im just trying to get it pieced together now.

mat1977
01-26-2008, 08:05 PM
any updates?

HurleyBraaap
01-27-2008, 10:31 AM
i think we all are lookin at the next QOTM!!!hurry man this is worse then waiting for the new 09's to come out...haha

hondarider101
01-27-2008, 11:26 AM
ive heard some bad things about honda of troy!

AtvMxRider
01-27-2008, 01:42 PM
:macho

Slochrane
01-27-2008, 05:51 PM
Ok I'm back with some updates. Well most of my parts but one has finally arrived from Honda of Troy. The tank cover wasn't in the box so I'm still waiting for that, if its not here tomorrow I'm asking them for a refund and I'll order it from Motosports and I'll have it in 2 days. Ok the exhaust is on. It's quiet with the sparky in, but it screams with it out I'm very happy with it.

Slochrane
01-27-2008, 05:55 PM
Pic 2

Sportrax10
01-27-2008, 05:59 PM
Some nice new tires would help a lot with traction and handling. Ditch those balloon tires...

18" MXR4's would be nice, depending on what kinda riding you do...

Slochrane
01-27-2008, 06:03 PM
The new 2005 plastic and and headlight is on. I switched wiring harnesses with the 03 so i didn't have to cut any wires,it worked great. It wasn't hard at all for people interested in doing it. I like the 05-07 look much better than the 99-04 style. Here's a pic of the light assembly.

Slochrane
01-27-2008, 06:04 PM
Pic.

Slochrane
01-27-2008, 06:08 PM
I installed the Twin Air Power Flow System in today also. It was a pain in the balls!!! I had to remove the air box to drill the holes for the billet filter. It was worth the trouble though. It fits nicely in the air box.

Slochrane
01-27-2008, 06:09 PM
Pic

trx400EXtreme
01-27-2008, 06:15 PM
i LOVE that pipe. everythings looks great.

Slochrane
01-27-2008, 06:16 PM
Pic

hornetgod13
01-27-2008, 06:20 PM
I see you got the DMP Covers seat cover. It will really look nice once you get all the graphics installed to go with it.

Does that exhaust come with a guard? or do you use the stock one?

Slochrane
01-27-2008, 06:30 PM
No there's no guard but the stocker fits, i'm trying to find something different. As for the tires and wheels I'm going Black baja;s on the rear with 20" 6 ply razr's . The fronts undecided on baja's or just the Black GP's with 22' 6 ply razr's.

NJ450rider
01-27-2008, 09:57 PM
Get a black tank cover itll look badass. I did that to my 400ex to two tone it a little more. I dunno if oem or maier would be cheaper. But i have a maier tank cover on my oem plastic it fits perfectly.

Also a carbon fiber head pipe guard from E Line would look amazing and match your pipe perfectly. I know they make guards for stock pipes and aftermarket ones as well. They might have one specific for a yosh headpipe. They also have universal ones diff lengths.

your 400ex is lookin good.

04TRX400EX
01-27-2008, 11:09 PM
Your build looks to be going well. I like the Yoshi exhaust on there and that air box is pretty trick. You mentioned what your plans were for the engine but what are you thinking for the suspension? In my opinion (and I am sure others will agree) a built engine is great but if the chassis can't handle it you're going to have a real hard time keeping up with YFZ's and the bunch.

Slochrane
01-27-2008, 11:41 PM
I'm probably going to get a set of 450r's and have then re-worked along with the rear or maybe a set of +1's and elka's forr the front...not sure yet.

As for the black tank cover its on the way....Honda of Troy sucks. :grr:

hondaking52
01-28-2008, 01:34 PM
i see you got the same plastic upgrade as i did... copyer.... lol, wat did you do with the ignition put it in the reverse spot? thts wat i did, and were did you get the dmp graphic kit from?

hondaking52
01-28-2008, 01:37 PM
o and my kit came with a black tank cover.....

Slochrane
01-28-2008, 01:53 PM
i didnt buy the kit, I just bought want parts I needed, it came to $310 including the light which i picked up for $25 shipped! . I got the black cover it just hasn't came yet. Its suppose to be here tomorrow, thanks honda of troy
:rolleyes: :grr:

I got the graphics off ebay for $53 i think:confused: cant remember .

hondaking52
01-28-2008, 01:55 PM
o ic, u still got the ebay store name?

Slochrane
01-28-2008, 02:24 PM
This is the seller from Ebay who sells the graphics kit. damian6022

Slochrane
01-28-2008, 06:59 PM
Well I spent some time putting on the graphics and let me say I put the first piece on and realized you need a heat gun to do this properly or at least it make it easier thats for sure.

The kit included decals for the front fenders. I really didnt like the looks of them on the front fenders so I improvised !
What do you guys think yes or no ?

Slochrane
01-28-2008, 06:59 PM
Well I spent some time putting on the graphics and let me say I put the first piece on and realized you need a heat gun to do this properly or at least it make it easier thats for sure. my dad had one and it made it a much nicer install.

The kit included decals for the front fenders. I really did like the looks of them on the front fenders so I improvised !
What do you guys think yes or no ?

Slochrane
01-28-2008, 07:00 PM
pic 2

Slochrane
01-28-2008, 07:05 PM
custom sticker mod!

Slochrane
01-28-2008, 07:06 PM
close up......

oleboy87
01-28-2008, 07:06 PM
that thing is sick dude.. i love that graphics kit!

08400EX
01-28-2008, 07:06 PM
^ GREAT JOB, that is BAD*****!!

250exkid
01-28-2008, 07:10 PM
thats badass! ummm you should really post a sound clip

mittman
01-28-2008, 07:14 PM
looking f***ing awsome

Slochrane
01-29-2008, 07:03 PM
Ok, I finally got the black tank cover today and got it on. I really like the look of this graphics kit.

Slochrane
01-29-2008, 07:25 PM
pic 2

Brauap
01-30-2008, 03:02 PM
Originally posted by 250exkid
thats badass! ummm you should really post a sound clip


agree!!;)

RideRed84
01-30-2008, 03:49 PM
Sick looking EX man, now you have me wanting new plastic instead of a new quad.

mat1977
01-30-2008, 06:05 PM
Looks sick,I cant beleive you stuck it out with honda of troy!!I cancelled my order and got my money back after 27 days and about 10,000 lines of bull$hit,Just ordered the same chit from my local dealership today for the same exact price and it will be here 2 days from now,Go figure...:D

Slochrane
01-30-2008, 06:34 PM
Yeah it was a pain in thee arse. I wont be buying anything from them again, cernic's seem to have a little better prices. I will be giving them my business.

I will be getting rims and tire next.

Pipeless416
02-05-2008, 01:29 PM
i hope you see this before it ends! http://cgi.ebay.com/ebaymotors/Carbon-fiber-exhaust-guard-for-the-Honda-400ex_W0QQitemZ320214490897QQihZ011QQcategoryZ4397 3QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

08400EX
02-06-2008, 09:38 AM
Originally posted by Pipeless416
i hope you see this before it ends! http://cgi.ebay.com/ebaymotors/Carbon-fiber-exhaust-guard-for-the-Honda-400ex_W0QQitemZ320214490897QQihZ011QQcategoryZ4397 3QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

http://forums.rennlist.com/rennforums/graemlins/icon107.gif

Slochrane
02-06-2008, 11:26 AM
yeah I missed it I was at work!!!!!!!!!:( :( :mad:

08400EX
02-06-2008, 11:48 AM
Originally posted by Slochrane
yeah I missed it I was at work!!!!!!!!!:( :( :mad:

If I end up not using it I will give you first dibs for what I paid for it.

I am still considering the Yoshi Carbon system like yours, but not completely sure yet. Plus I have some of the carbon fiber Warning Label covers coming and I thought it might go well with those.

I will let you know.

Slochrane
02-06-2008, 12:41 PM
You dirty rat !!!!!!:mad: :mad: :mad: :mad:

Just kidding !!!:D :D :D :D :D

Thats very cool thank you. Keep me in mind I will definitely take it if you dont use it.

Thanks
Scott

08400EX
02-07-2008, 11:27 AM
Scott,

Still unsure on the carbon fiber heat shield, might be took much with all the black on mine. I will make a decision next week and let you know for sure then.

BTW, my wife is pissed at you for posting the photos of your Yoshi Carbon exhaust!!! :-)

Just kidding, she agreed with me that it would look great on my black 08.

Made a crazy "Best Offer" to Leesons Motors on Ebay and they took me up on it!! Mine will be here Monday :-)

Time for more pics of yours, it is coming along GREAT!!!

Pipeless416
02-07-2008, 11:57 AM
Originally posted by 08400EX




Made a crazy "Best Offer" to Leesons Motors on Ebay and they took me up on it!! Mine will be here Monday :-)

Time for more pics of yours, it is coming along GREAT!!!

would you mind defing a crazy best offer?

08400EX
02-07-2008, 12:06 PM
Originally posted by Pipeless416
would you mind defing a crazy best offer?

Well, crazy is probably not the best description, more like fair compared to other pricing I found. I got it for $459 with free shipping. But compared to their Buy It Now price of $595 I am a little surprised they took my offer. The best deals I had found in other places at some online discounters was $459 with $25 shipping and $479 with free shipping, both on the west coast. They were also not mainstream retailers which makes me a little nervous.

Regardless I am happy with the deal, plus I trust Leesons as I have bought from them a few times, AND they are only 2 shipping days from me!

bcg717
02-07-2008, 12:07 PM
I put my front stickers on my hood also. I think they look alot better there than on the front fenders. Your the only one i know that was able to get the seat cover to line up with the graphics. looking great

Slochrane
02-09-2008, 01:48 PM
Ok I got the the Powermadd gaurds from Rox. I love the billet pieces they supply, well worth the few extra dollars. Here's a few pics.

Slochrane
02-09-2008, 01:48 PM
close up

CRich[814]
02-09-2008, 07:34 PM
woah, custom powermadd mounts?

08400EX
02-09-2008, 07:43 PM
Originally posted by CRich[814]
woah, custom powermadd mounts?

Off the shelf ROX Speed FX Mounts, much better than the standard Powermadd mounts. Look cool too!

http://www.roxspeedfx.com/cgi-bin/cart/showitems.cgi?subcat_id=258

CRich[814]
02-10-2008, 09:21 AM
Originally posted by 08400EX
Off the shelf ROX Speed FX Mounts, much better than the standard Powermadd mounts. Look cool too!

http://www.roxspeedfx.com/cgi-bin/cart/showitems.cgi?subcat_id=258


ha i didn't even know they made those. my powermadd's took me about an hour to mount. which i thought was way too much fighting with the levers/throttle. i liked them alot though.

08400EX
02-10-2008, 09:57 AM
Originally posted by CRich[814]
ha i didn't even know they made those. my powermadd's took me about an hour to mount. which i thought was way too much fighting with the levers/throttle. i liked them alot though.

Actually they both are great mounts and each has it's strengths and weaknesses. I have the Rox on my 400 and the Powermadd version on my wife's 250ex.

While the Powermadds are harder to find the right spot to make them fit the way you want, they have a better mounting system at the hand guards. The PowerMadd's hardware at that location is far superior to the simpler Rox setup (simple bolts with "star" lock washers). BUT, the Rox mounts make it easier to mount where you want them on the bars since they have a much smaller "footprint" on the bars. The Rox only barely goes around half the diameter of the bar and is very streamlined compared to the bulky Powermadd bar mount section.

If Powermadd were smart they would pay Rox a licensing fee and change to that bar mount style. Not only is it simpler and better but it has less hardware and would be cheaper to manufacture. Then you would have the best of both.

08400EX
02-20-2008, 02:20 PM
Originally posted by Slochrane
Thats very cool thank you. Keep me in mind I will definitely take it if you dont use it.

Thanks
Scott

Slochrane,

Ended up using the CF Heat Shield, but keep an eye on Ebay, the same seller has had them up there a few more times. Got mine mounted on the Yoshi after a simple few mods to make it more to my liking as far as shape and postioning.

Pipeless416
02-29-2008, 08:47 AM
maybe you'll see this one! http://cgi.ebay.com/ebaymotors/Carbon-fiber-exhaust-guard-for-the-Honda-400ex_W0QQitemZ320222443894QQihZ011QQcategoryZ4397 3QQssPageNameZWDVWQQrdZ1QQcmdZViewItem:p