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View Full Version : MY YZ conversion updates & pics so far



mxracer111
04-13-2003, 11:41 AM
here it is so far.... im waiting on my new shocks, and money to finish my motor....

cases are being powder coated next week, i am installing all new bearings and stuff, new crank, 12.25:1 wiseco piston, and a few other goodies.

Head is going to fastway this week for a valve job, and some porting updates. (it was ported about 2 years ago.... so he is going to change a few things an it should be back in about 2 weeks)

once i get the motor done.... and the shocks in (should be in in about 2 weeks) ..... all i really need yet is to make my stainless braided oil lines..... and i have a lot of parts to finish polishing..... hopefully it will be done in about a month.... let me know what you think

mxracer111
04-13-2003, 11:45 AM
the subframe will also be BLUE.... i was going to have it chromed till i found out they wanted like $300 to do it......

Chanman420q
04-13-2003, 11:51 AM
SIIIIIIIIIIIIIIIIIIIIIIIIIIIICK

mxracer111
04-13-2003, 11:53 AM
heres the back

Pvt. Maggot
04-13-2003, 12:47 PM
Extremely nice. why not just get the subframe powdercoated chrome? :confused: anyway thats one hell of a bike..let me know if you need any help polishing.

Pvt. Maggot
04-13-2003, 12:50 PM
holy crap i just saw that ct70 in the backround what year is it? thats the same color and everything as mine. :devil

OutlawEX
04-13-2003, 12:51 PM
POS:blah

mxracer111
04-13-2003, 12:56 PM
i dont really care for the "chrome" powder coat.... just wont do justice against real chrome..... id rather have it match the frame.

the CT 70 is like a 71 i think... nice pit bike at the track.

the only polishing help i need is finding a good polishing motor....for a reasonable price.... i dont want to use a bench grinder....i am looking for o polishing motor with the extended shafts ....so i can do larger items without the motor getting in the way.... but i dont want to spend $400 for a new one.

Pvt. Maggot
04-13-2003, 01:00 PM
yeah mines a 71 too. i dunno where you could find one...in my opnion bigger items you might as well use a rag...it takes longer but i think it comes out better...just my 2 cents..

04-13-2003, 01:29 PM
i dont understand how using a rag is easier for big things, this case isnt small and was done with a 1 1/2 HP Balldor buffer with the extended shafts that hes talking about, i dont think a rag woulda made it turn out better than this

bluebaron
04-13-2003, 01:58 PM
that is crazy

ridered03
04-13-2003, 03:13 PM
omg, that is sooo sweet.

RiPPiNiTuP7
04-13-2003, 05:50 PM
Very sick man :macho

Paul400ex2002
04-13-2003, 06:20 PM
sick man! i'm thinking about doing that conversion late summer, through the fall. I'll make sure to check with you with any problems i run into.

Paul400ex2002
04-13-2003, 06:25 PM
also you are using a stock 400ex frame correct? how difficult is it to mount the radiator and all the stuff up to a stock frame? That's a lot cheaper alternative to a lonestar or some other frame.

300exazzkikr
04-14-2003, 09:21 AM
very nice man, makes me very jealous. Keep up with the pics as you progress...:macho

mxracer111
06-10-2003, 06:41 PM
New updates.... i havent had much time to work on it... but jsut got the new motor together tonight....

mxracer111
06-10-2003, 06:42 PM
another

mxracer111
06-10-2003, 06:43 PM
agian

racerx573
06-10-2003, 09:26 PM
That things worthy of being worshipped.

416exmx
06-10-2003, 09:28 PM
that's gonna be a sweet ride!
BTW i thought you were using walsh lt a-arms insted of the lobo. i tried to buy some new unfinished walsh a-arms you had on ebay a few months ago, but we didnt get together. i think you said you had a couple sets. just wondering though.

crap-banshee32
06-11-2003, 03:25 AM
what shocks are u waiting on for it?

oh yeah and btw, i should be sending the m/o with the deposit today!!! i hope i baldwin can have them done in like 3 more weeks!!! that would be nice

later
nick

mxracer111
06-11-2003, 03:55 AM
i have always been running Roll a arms.... i had a few sets of walsh for sale but never planed to use any.... i have had the roll sitting here didnt want them to go to waste....
I am waiting on PEP ZPS to come in.... Baldwin has been a little slow.

Ty's400
06-12-2003, 04:31 AM
that thing is very sweet :eek:!! keep up the good work

OutlawEX
06-12-2003, 05:43 AM
I want to see it after its firsts ride:D ,but very sweet

EXracer8604
06-12-2003, 05:49 AM
that thing is sweet

Sparks425Ex
06-12-2003, 12:35 PM
Hey how did you manage to fit the YZF 400 engine in the frame without doing any cutting. I don;t mean engine I mean like the Radiator and stuff.

How is it mounted?

OutlawEX
06-12-2003, 12:54 PM
Originally posted by Sparks425Ex
Hey how did you manage to fit the YZF 400 engine in the frame without doing any cutting. I don;t mean engine I mean like the Radiator and stuff.

How is it mounted?

I did no cutting whats so ever also.. Me and Mxracer111 had custom oil tanks made so we wouldnt have to chop the frame

DaveEX7
06-12-2003, 01:34 PM
Im jealous.


How much does it cost you guys to do these kinda projects?

racerx573
06-12-2003, 02:30 PM
Its probly close to 10K to do the project starting with a stock EX. Using an aftermarket frame and going from scratch, anywhere from 15K to 25K, depending on how much chrome and polish you desire.:devil:

DaveEX7
06-12-2003, 02:33 PM
WOW, i only had 1500 to toss into the 250.

mxracer111
06-12-2003, 03:33 PM
my guess is i have about 12-$15,000 in it starting from scratch... but chrome alone was over 1,000... i started with a brand new frame from honda....some motor mount changes were made and a lot of reinforcing....and alot of work that was all done myself, except for the welding and the powdercoating and chroming i did it all....

Mxbubs
06-12-2003, 04:25 PM
I chopped the frame to get the bigger Radiator in there. My radiator holds more than most other aftermarket ones. I do not regret chopping it. A frame is cheaper to get than to fixed a burned up motor.

OutlawEX
06-12-2003, 05:22 PM
I have about 8k into mine doesnt seem like alot for this

EXracer8604
06-12-2003, 05:25 PM
yea but you also paid 500 for it

OutlawEX
06-13-2003, 05:00 AM
Originally posted by 94flamds10blazr
yea but you also paid 500 for it

I didnt include the cost of the bike. I got my 400 for 500 and put 2k in it at least but i didnt add any of my ex parts to this new machine

user101
06-13-2003, 06:19 AM
looks like u could use a rear shock

OutlawEX
06-13-2003, 11:41 AM
Originally posted by user101
looks like u could use a rear shock

Ya in the pic i was using my buddies stock rear shock. My ZPS rear should be here today or tommarrow. I am also waitin on pro-pegs and front brake lines

tdd6405
06-13-2003, 11:43 AM
im in the process of building one now. i also ordered a custom oil tank from cfm i should be getting any day. ill get some pictures on when i get somewhere with it.

OutlawEX
06-13-2003, 06:25 PM
Originally posted by tdd6405
im in the process of building one now. i also ordered a custom oil tank from cfm i should be getting any day. ill get some pictures on when i get somewhere with it.

Did u let him know u heard abouto it off exriders or me?

AlaskaSpeed
06-13-2003, 06:45 PM
that thing is beautiful!

tdd6405
06-14-2003, 11:04 AM
ya he knows

DaveEX7
06-14-2003, 12:16 PM
Outlaw: How much did you pay for your ZPS shock?

tdd6405
06-14-2003, 03:40 PM
can anyone explain the "BK mod"? whats it do, and how do u do it

DaveEX7
06-15-2003, 05:11 AM
Originally posted by tdd6405
can anyone explain the "BK mod"? whats it do, and how do u do it


Burger King is the manufacturer, and all you simply do is order it, and eat away at it until your satisfied. :devil:

tdd6405
06-15-2003, 07:10 AM
hahaha

OutlawEX
06-15-2003, 09:11 AM
Originally posted by DaveEX7
Outlaw: How much did you pay for your ZPS shock?

I got it for free because i traded a $500 dirtbike suspension for it and its a brandnew shock

The Bk mod is something done to ur caruburator if i rember correctly. I beleive u cut a wire. The BK mod doesnt work on the YZF400 if i rember correctly

Mxbubs
06-15-2003, 09:28 AM
The bk mod is done to the carb. It just shortens the initial amount of gas sprayed when you dump the throttle. It will keep it from bogging down.

The blue wire has nothing to do with the carb. Its limits the spark on starting, so starting is harder. Cut it, and the bike will start easier.

DaveEX7
06-15-2003, 03:25 PM
Why do they call it the BK mod though?

mxracer111
06-16-2003, 06:31 AM
updated

mxracer111
06-16-2003, 06:33 AM
again

mxracer111
06-16-2003, 06:36 AM
1 more

06-16-2003, 06:50 AM
Very nice job.

AC 400 ex 02
06-16-2003, 07:52 AM
Originally posted by Rico
Very nice job.
you get another hell yeah from me and another very nice job:)

Ty's400
06-16-2003, 03:11 PM
Man that thing is sweet!!:eek: Can't wait to see it when it's done. That must be a blast building it though!

DaveEX7
06-17-2003, 08:32 AM
Originally posted by Ty's400
Man that thing is sweet!!:eek: Can't wait to see it when it's done. That must be a blast building it though!

racerx573
06-17-2003, 11:22 AM
Is it gonna be done for the weekend? ;)

08-01-2003, 11:48 AM
hey, what did you do for the carb to airbox boot? any pics?

CHAUNCY
08-01-2003, 11:58 AM
That looks awesome!!!!!!!!:eek2:

400EXrider#91
08-01-2003, 01:42 PM
looks sweet, but would look better at my house:blah:

Ty's400
08-02-2003, 05:35 AM
Do you have any more updated pictures on it yet? How is it coming along?

mx400
08-02-2003, 06:30 AM
man that thing is so sweet. also i hope woodwardspecialties go through for ya. i have been looking at stuff from you guys on eBay.

OutlawEX
08-02-2003, 07:02 AM
Last i heard he was waiting on a gas tank.. He cut his hand pretty good so he was delayed. He was talkin about going to Roucsh or something like that :confused2

08-02-2003, 07:38 AM
that brought a tear to my eye....no joke

mxracer111
08-03-2003, 01:32 PM
hey guys.... sorry its been so long since an update....
outlaw was right.... i cut my hand about a month or so ago pretty bad... cut a tendon in one of my fingers and i had surgery and all....doctors still dont want me to be riding ... i am not supposed to squeeze my hand... and it is my clutch hand so i guess ill still wait a bit... although it works fine and doesnt hurt or anything... i just dont want to take the chance that ill tear the tendon...
but anyway... i have been slowly working on it since i cant really ride it....
it runs... and i have rod it around the parking lot... it rolls... i love it... couldnt be happier with how it has turned out...
i am still waiting on the sidecovers to get powdercoated... the guy is having a hard time coating the magnesium. also have to put on my stainless braided clutch hose., instlall the polished radiator shrouds... and find some graphics that i like... tighten some bolts...play with jetting etc.
nothing major left.... i just want to ride.

So far starting up my business has been the best thing i have ever done . things are going well.... but could always be better.... soon i will start advertising up here on Exriders and get to helping you guys out. once i get a lil bigger. but so far things have been great.
here are some pics that i took for you guys today... its almost finished. AHHHHH cant post pics..i forgot....well... ill try to have them up on my website for you to see sometime tomorrow...www.woodwardspecialties.com

mxracer111
08-03-2003, 01:34 PM
o yeah... and about raush .... i might try to roll up there sat. i cant ride hard or really do much.. i might just come and try and jet this thing and meet some of you... the quad wont be 100% since i wont have time to get some of the stuff done... but id like to just come put around... we will see how things go

mxracer111
08-03-2003, 01:53 PM
http://www.imagestation.com/picture/sraid73/p5d7a6ac77c70f3f15734f903762360b5/fb7e14a6.jpg.orig.jpg

mxracer111
08-03-2003, 02:01 PM
go to this link for the updates

pics (http://www.imagestation.com/album/pictures.html?id=4289499681)

RiPPiNiTuP7
08-03-2003, 02:07 PM
mxracer...remove the .orig.jpg off the end of the link and it will work :)

mxracer111
08-03-2003, 02:10 PM
http://www.imagestation.com/picture/sraid73/p5d7a6ac77c70f3f15734f903762360b5/fb7e14a6.jpg

http://www.imagestation.com/picture/sraid73/p3095070e32565ccad58f821a692ea77e/fb7e149d.jpg

http://www.imagestation.com/picture/sraid73/p683c1e761da5831ec2b377785ecdb96e/fb7e149e.jpg

KrazyKid300ex
08-03-2003, 03:54 PM
Nice work man. you think that is faster than a yfz450? looks nicer than mine

08-04-2003, 06:59 AM
the yfz is pretty tame compared to that motor


did you have to do anything to the rear swingarm? i was talking to a guy who built a crf off a baldwin kit and he had to mill down his swingarm on the left side so that he could get the sprocket to line up, is that a problem with how you did you yz?

thanks

08-04-2003, 07:01 AM
oh yeah is it necessary to have louvers or shrouds

08-04-2003, 07:10 AM
oh yeah did you buy a aftermarket intake manifold ( carb to motor) that changed the angle of the carb?

mxracer111
08-04-2003, 07:32 AM
no you dont have to machine the swingarm.... however you do have to get a sleeve to put between your motor and your pivot bolt... since the honda bolt is thinnner than the yz.

as far as airbox... right now i have just a stock 400ex setup on ther and it clamps right onto the carb....
some gusseting modifications were done to make more room for the carb boot and the subframe was modified in the front to make room also.

the shrouds and louvers are not necessary.... ive been riding it around without them on....
however with the walsh radiator they were included and look awesome.... and im sure they force more air in as well.... my shrouds are all polished to a mirror finish anyway so they will look sweet too.

08-06-2003, 05:12 AM
i got a email from lsr they sell a airbox adapter for the crf and yzf

mxracer111
08-06-2003, 05:13 AM
what sort of airbox adapter do they use? i dont see any need for one....the 400ex airbox will work.... but just out of curiousity... id like to see what it is.

08-06-2003, 05:17 AM
it uses the stock 400ex but the new or boot is made to fit the yz or crf motor, im not sure what it looks like they said it retails for 46 bucks