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MY Project 300ex
(Click here to view the original thread with full colors/images)

Posted by: Trevor

Those are in hard shape

Posted by: reconmaster

after they get rings put on them they'll be good

weathers gettin worse for riding that means soon time to bring the ol girl for winter project

Posted by: reconmaster

these are new pics i took today at school i'm just waiting for new renthal bars grips and bar pad, chain and sprockets as well asv levers soon ordering new power madd handguards, a white brothers header, getting bead locks/race rings made my itps that i straightned doin some mild motor work to her this winter, making a new bumper, some new meats(hopefully holeshot mxr4s) and gusseting it maybe modifying the air box lid too. This thing is my pride and joy I always have a blast on it.
http://pic.piczo.com/img/i131037606_44965.jpg
http://pic.piczo.com/img/i135972597_17438.jpg
http://pic.piczo.com/img/i132495213_76480.jpg
http://pic.piczo.com/img/i132601218_54850.jpg
http://pic.piczo.com/img/i135844703_43647.jpg
http://pic.piczo.com/img/i136671703_36038.jpg
http://pic.piczo.com/img/i136338703_32514.jpg
http://pic.piczo.com/img/i135969568_11728.jpg

Posted by: zeppelin

your going to love the new header, its really going to wake it up

Posted by: Tri-valleyracin

u should realy get suspension before motor work. it will be much more faster with a nice ride than with a bounce every time u hit a jump.

Posted by: reconmaster

i got suspension dealt with if I could I would reall like to get a elka/fox rear shock but that would be spending my whole budget
as for bouncing i don't really notice it I had to replace the rear shock cause it was blown and I couldn't find an 01 raptor shock

Posted by: ZeroLogic

thats pretty nice looking do you have a front view? is that a 400ex front end?

Posted by: reconmaster

yep like i always say its a good qay to save$$$$ works great

Posted by: ZeroLogic

one quick qustion

what is that

Posted by: 8my_Cash

its a vent tube for the valve train. follow the tubing and you'll notice that it connect to the air boot and the top of the valve covers

nice 300. looks exactly like mine. i run the 400ex front end with 400ex spindles and works tripple rates. its a great front end for me. ill get some pictures up soon.

also nice job with cutting the stock plastics. looks real good.

good luck with your project

Posted by: bwamos

That must be a newer "feature". My '98 doesn't have that.. it's just a rubber hose on mine. Looks like it's there to keep your engine from sucking in water through the breather.

Unfortunatly if you take the lid off the airbox, it just turns it into a straw.. lol. Not to mention blowing hot air into the air box on the intake cycle. Bad for power.

Posted by: reconmaster

i'm hoping that i can find a k&N filter for a car/sport bike and get an prefilter and make my own powerlid

Posted by: ZeroLogic

quote:
Originally posted by bwamos
That must be a newer "feature". My '98 doesn't have that.. it's just a rubber hose on mine. Looks like it's there to keep your engine from sucking in water through the breather.

Unfortunatly if you take the lid off the airbox, it just turns it into a straw.. lol. Not to mention blowing hot air into the air box on the intake cycle. Bad for power.

i was just courious because my 98 300ex dosnt have that either

Posted by: MX300ex

my 01 has it..do u have a tube running to the frame?

Posted by: Trevor

my 02 has it.

Posted by: bwamos

quote:
Originally posted by MX300ex
my 01 has it..do u have a tube running to the frame?

Just trying to remember off the top of my head.. but I beleive the breather tube on the '98 runs up along the frame rail under the tank toward the handlebars and has a slight turndown at the very end.

Posted by: reconmaster

my ex getting stripped now to wait for some parts and to order some
http://pic.piczo.com/img/i138527297_26300.jpg
http://pic.piczo.com/img/i141243351_24187.jpg
http://pic.piczo.com/img/i140611787_59715.jpg

Posted by: ZeroLogic

quote:
Originally posted by reconmaster
my ex getting stripped now to wait for some parts and to order some
http://pic.piczo.com/img/i138527297_26300.jpg
http://pic.piczo.com/img/i141243351_24187.jpg
http://pic.piczo.com/img/i140611787_59715.jpg

hey no nude girls!!

what are you getting?

Posted by: reconmaster

w/b header and block off plate, webcam thinking stage 2, pnp, stiffer valve springs, I just got ym stuff from renthal today(cr high bend bars, chain, sprockets, and grips), powermadd guards, asv levers witht he hot start lever for reverse purposes, gusseting my frame some more, making a bumper, making some thicker and stronger motor mounts, pain some misc stuff, maybe some custom graphics

Posted by: hardkoratvmxr

clean her up and start polishing

Posted by: reconmaster

i p[lan didn't have the truck to tak her home

Posted by: tizz

BEN u stud!! loving the new rethal shizzle u gots there!

Posted by: reconmaster

quote:
Originally posted by tizz
BEN u stud!! loving the new rethal shizzle u gots there!

ok? thanks for commenting but please spell right at least i try no offense

Posted by: Sjorge300EX

i cant wait until i start tearing mine apart in about a week. Mines getting piston(one size over bore), clutch, and other little stuff.

Posted by: hardkoratvmxr

looking good. you need to take the rolling chassis and get it cleaned up really good and gussest and maybe pc?

Posted by: reconmaster

my rcs at home waiting to get cleaned and gusseted gonan clean er the day of gussetin so water doesn't freeze. Pinting/Pc will be a last minute decision budget purposes i still gotta order a header, skids, pb block off, graphics from a local guy, and send the motor down to fundy powersports check em out at [url]www.fundypowersports.com

[/url] they have done awesome motor work for some the local racers from where i live

Posted by: kfxwizzard400

heres my 300ex

Posted by: kfxwizzard400

...

Posted by: reconmaster

even though this is about my 3hunnie(sorry if it sound i'm bein aspazz not tryin to be) i read ur sig and got a big gun rev box do they help?

Posted by: kfxwizzard400

yea it helfs alot but to get the full benefit u need to have motorwork (cam,piston, ect.) ill be adding a 11:1 piston and a hot cam soo ill let you know how it is

Posted by: reconmaster

a couple things i did before christmas break
polished the pipe it needed stuill not done
http://pic.piczo.com/img/i152877368_81354.jpg
http://pic.piczo.com/img/i151820732_46038.jpg

Glass beaded the gas cap so it can be painted red to match the bars and hopeful asv levers
http://pic.piczo.com/img/i151667582_53765.jpg
just gotta gusset the frame and got my handguards just need a pic of them othe r than that send my head to fundy power sports and order some parts

Posted by: priebo15

thats gonna look nice... keep us updated, with pictures if you can

Posted by: drifterx

quote:
Originally posted by priebo15
thats gonna look nice... keep us updated, with pictures if you can

Agreed!

Posted by: reconmaster

well i'm putting my renthals and new handguards on today getting my guesseting started and getting the metal i need for a mx and xc bumper

Posted by: reconmaster

my new handguards
http://pic.piczo.com/img/i151935436_31161.jpg
new bars and handguards assembled
http://pic.piczo.com/img/i152905669_53558.jpg
front fender piece with some sponsor stickers
http://pic.piczo.com/img/i153008515_42038.jpg

Posted by: ZeroLogic

I really like those handgaurds. Lol

Posted by: exrider008

not to sound dumn or anny thing but what is gusseting the frame mean

Posted by: ZeroLogic

You basically put peices of metal to strethen the frame at where the frame is put under the most stress, so it stops it from cracking, bending ect.

Posted by: reconmaster

my custom made rbb and avh bumper andrew also shaved weight off it last night
http://pic.piczo.com/img/i153847257_170.jpg
my welds
http://pic.piczo.com/img/i154203256_78336.jpg
http://pic.piczo.com/img/i153223213_39044.jpg

me filing the bumper so no one will slice there hands open
http://pic.piczo.com/img/i153653206_45735.jpg
http://pic.piczo.com/img/i151367559_94936.jpg

Posted by: ZeroLogic

Thats going to be a nice 300ex.

Posted by: reconmaster

well my motors been sent so thats covered just gotta order a header some skids new steering stem bearing, check the swingarm bushings/bearings, and lube it up after that put everything back together and rejet it

Posted by: reconmaster

my finished bumper
http://pic.piczo.com/img/i155428997_3955.jpg
repainted the battery box
http://pic.piczo.com/img/i151095799_44358.jpg

me just finishing some polishing to the durablue still have to some more looks better than it did before
http://pic.piczo.com/img/i154886726_79063.jpg

Posted by: Sjorge300EX

dont be selling them bumpers. could get into some trouble with Armadillo.

LOL really nice though i like it alot.

Posted by: reconmaster

i'm not getting intot the business i did it as money saver plus i like metal fabrication besides i seen a more smilar style on banshees but miens thicker tubing steel and not chromed

Posted by: ZeroLogic

Looking good!

Are you doing this in school?

Posted by: reconmaster

ya in community college taking a course

Posted by: reconmaster

shots of the new gussets made by andrew vanhattem
http://pic.piczo.com/img/i155484725_82664.jpg
http://pic.piczo.com/img/i149118792_438.jpg
http://pic.piczo.com/img/i154894538_48560.jpg
the bumper mounted
http://pic.piczo.com/img/i155663854_52205.jpg

som new brake pads seals bearings and head gasket kit
http://pic.piczo.com/img/i153345727_37629.jpg

just installed the new steering stem bearing today and lubed er up going to lube the shock and aarm bushings up tomorrow

Posted by: reconmaster

hot new custom graphics thanks to a classmates friend
http://pic.piczo.com/img/i157712919_84788.jpg
http://pic.piczo.com/img/i157761919_31129.jpg
http://pic.piczo.com/img/i155818356_93757.jpg

Posted by: reconmaster

top

Posted by: drifterx

I like those tank graphics! Any new updates? I'm actually checking this out quite often!

Just curious, why does it say "racing ben brown" and not "ben brown racing"?

Posted by: reconmaster

nick name the other way around sounds like a company name well got new bearings in the carrier installed gotta reinstall the axle get a new rotor, order my header and some skids
hoping my head will be ready soon other than that pick up stuff from the auto body class for paint. hoping to have this all back together and running by the end of feburary give or take waiting for parts

Posted by: reconmaster

well i installed new axle bearings, put a new grase nimple in my swingarm, since my swing arm stickers are too big for the swing arm due to some mounts for skid plates i came up with a different idea
http://pic.piczo.com/img/i162911147_18062.jpg (i did both sides)
some more product/sponsor stickers(durablue's not a sponsor)
http://pic.piczo.com/img/i163071363_46223.jpg
http://pic.piczo.com/img/i162936255_73530.jpg

old bvp sprocket and new renthal sprocket
http://pic.piczo.com/img/i162935681_62656.jpg
rentthal mounted
http://pic.piczo.com/img/i162935690_85203.jpg

orignal battery(as far as i know)
http://pic.piczo.com/img/i162785596_95970.jpg
new battery mounted
http://pic.piczo.com/img/i162785619_17091.jpg

side project for a friend
makin his stock silencer a shorty
http://pic.piczo.com/img/i162911139_71413.jpg
http://pic.piczo.com/img/i162911137_82190.jpg

Posted by: Ex_Rider43

while your at it you should strip the whole thing down to the frame , sandblast it and powdercoat it , clean every parts possible because I think it looks pretty rigged up with spray paint or primer over the area you welded the gussets on. everything around is also very dirty...

Posted by: reconmaster

i'm on a budget you don't know how bad i want to pc it i know the primer doesn't loook great that willl rub after a couple rides

Posted by: reconmaster

painted gas cap and motor mounts thanks to a friend in autobody
http://pic.piczo.com/img/i146240595_98941.jpg

Posted by: TarheelRedRider

If you prep the surface properly and use automotive or even industrill enamel the paint will stay on for a long time. I use powder coating for some of my projects but when Im tight on money I just go the paint route.

Posted by: willow2679

Good job your doing there

You have to modify something to make the 400 front susp. get in there?
another thing, the pic of the head looks like it has some crack in the exhaust port where the valves holes meet together, check it out before assembly

Posted by: Ryanwolfe911

Who the f*uck cares about the frame being pretty? I build my quads to ride the ****e out of and to completely cover with mud.

All the powdercoating inthe world won't make you go faster, and besides, to have a frame powdercoated costs between $300-$400. That's money you could have spent on some nice works shocks or something. Paint is just fine (and cheap).

Keep up the good work man!

Posted by: reconmaster

quote:
Originally posted by willow2679
Good job your doing there
You have to modify something to make the 400 front susp. get in there?
another thing, the pic of the head looks like it has some crack in the exhaust port where the valves holes meet together, check it out before assembly

thanks for the hads up
as for yhe 400 front end ya you should mod the frame so it sits perfect and rides without bump steer

Posted by: ZeroLogic

People who PC and take the time to carefully clean their quads have something to show off to their buds.

Posted by: reconmaster

both points are good just finally someone got the idea i'm not painting my frame cause of money issues i did the motor mounts for the hell of it and gas cap needed it plus i had 1/2 of can left over from the bumper
heres my two air filters i cleaned
ones a uni and the others a white brothers
http://pic.piczo.com/img/i168766878_10405.jpg

Posted by: exrider008

wow that uni is twice the size of that WB. witch one do u like better?

Posted by: roberts8

Just a question Ben... What do you use to paint??? I Would like to paint some parts on mine, but I do not know what to paint it with so it won't keep chipping??? Thanks

Posted by: zeppelin

quote:
Originally posted by exrider008
wow that uni is twice the size of that WB. witch one do u like better?

im not positive but i think its the other way around

Posted by: exrider008

quote:
Originally posted by zeppelin
im not positive but i think its the other way around

no uni's r red

Posted by: reconmaster

actully the uni is the yellow one i'll probly run teh white bros just use the uni as a back up hopefully jetting won't be an issue when i switch

Posted by: reconmaster

quote:
Originally posted by roberts8
Just a question Ben... What do you use to paint??? I Would like to paint some parts on mine, but I do not know what to paint it with so it won't keep chipping??? Thanks

i used just normal paint got the auto body the only paint that won'tt chip is powder coat which is expensive usally

Posted by: TarheelRedRider

quote:
Originally posted by Ryanwolfe911
Who the f*uck cares about the frame being pretty? I build my quads to ride the ****e out of and to completely cover with mud.

All the powdercoating inthe world won't make you go faster, and besides, to have a frame powdercoated costs between $300-$400. That's money you could have spent on some nice works shocks or something. Paint is just fine (and cheap).

Keep up the good work man!

Is this directed at me. Man I was just agreeing with you that powder coatting can be too high for a quad that is a everyday or weekend trail rider. I was stating some cheaper ways to create a clean looking quad. I was just giving you some free info on the cheap ways that has helped me on the many machines that I have built in the past.

Posted by: Ryanwolfe911

No that wasn't directed at anyone. Iwas just a generalization. I have powder coated 2 of my quad frames, and i have to tell you, it was a rather large waste of maoney, seeing as how my quad immediatley got covered with mud, and after letting it sit there for a while, the powder coat looks worse than a cheap spray can paint job, not to mention it doesn't impress anyone. I have found that a good automotive basecoat (some good paint like PPG or Dupont) and 3 or 4 coats of clear, will last along time, and if you do it yourself and do it right, it should cost no more than $50. You will however be better of to pay someone to sandblast your frame for you. I did my first one outside with a pressure feed gun, and it took forever and made a huge mess in my driveway.(I'm still sweeping up sand). It's worth it to just send it to someone who has a booth and time.

Posted by: DEAL

quote:
Originally posted by Ryanwolfe911
Who the f*uck cares about the frame being pretty? I build my quads to ride the ****e out of and to completely cover with mud.

All the powdercoating inthe world won't make you go faster, and besides, to have a frame powdercoated costs between $300-$400. That's money you could have spent on some nice works shocks or something. Paint is just fine (and cheap).

Keep up the good work man!

I'd like to know whos quoting you those prices ..
I had my whole frame, subframe and a-arms Pc'd for $200 canadian.
And I like to keep my quad clean, not have it sitting full of mud. Its part of general maintence, If you can't clean it .. then you don't deserve to own it.

Posted by: 300exrider3

that's weird because the uni on my 400 is big and red

Posted by: reconmaster

heres what i did to the air box lid so far got the K&N car filter for it
http://pic.piczo.com/img/i169186141_65565.jpg
http://pic.piczo.com/img/i168070359_86094.jpg

as you see the quad of the omth for sport class entires started i doubt i'll have all my parts by then hopefully there will be a month for the budget of $2-3000 racers cause that would be sweet cause i know my stuff this wintres gonna cost overall around 1500 the most and what i put it in last year around $1000

Posted by: exrider008

why did u leav the little pice in the middle

Posted by: chapmanmd

Darned nice work on a budget. I WISH I only had $2-3k in mine... Come to think of it, I have that in the motor!!!!

Nice work recon.

Posted by: reconmaster

quote:
Originally posted by exrider008
why did u leav the little pice in the middle

for a lil less dust

Posted by: reconmaster

quote:
Originally posted by chapmanmd
Darned nice work on a budget. I WISH I only had $2-3k in mine... Come to think of it, I have that in the motor!!!!

Nice work recon.

thanks i belive 300exs blasters warriors and mojaves shouldn't have loads of $$$ invested into them cause your goin to a 450 in 2-3 years i don'y see my self puttin a 330 kit in cause ina year 2 i'm sellin it cause by then i'll have enough money for a 450 likely. I love my 300ex but you can only push it so far when your racing with 450s i have no problem keeping up to a good portion of 400exs on the track

Posted by: chapmanmd

Ya know, going to a 450 isnt always true. I have a Baldwin built 450r that I race TT with and love it. When it comes to XC, however, I ONLY race the Sport Class and I love the 300ex for the woods. More fun for me.

Just my $.02 worth. Your mileage may vary.

Posted by: TarheelRedRider

I agree 100%. I own a 250r, 400ex ( before the reverse) blaster, and a 300ex and my 300ex is always my first pick for the woods.

Posted by: reconmaster

quote:
Originally posted by chapmanmd
Ya know, going to a 450 isnt always true. I have a Baldwin built 450r that I race TT with and love it. When it comes to XC, however, I ONLY race the Sport Class and I love the 300ex for the woods. More fun for me.

Just my $.02 worth. Your mileage may vary.

the 300ex is safer between the trees i agre but when your racing mx in class thats open ccs mainly 400s and 450s you might as well get a 450 when you get the cash

Posted by: ontarioracer#33

true but its always fun out on the mx track to see the faces of the guys on the 400s and 450s when you blow past them

i love my 300ex i only wish i had not dropped so much $ into it

Posted by: reconmaster

my mint nacs parking brake blockoff
http://pic.piczo.com/img/i174237920_54889.jpg

gottired of looking at a bare frame
i like the looks so far
http://pic.piczo.com/img/i174224920_86404.jpg
http://pic.piczo.com/img/i171045490_78154.jpg
http://pic.piczo.com/img/i170890594_75712.jpg

I was bored!!!
http://pic.piczo.com/img/i174333529_91410.jpg

Posted by: reconmaster

my new ebc rotor
http://pic.piczo.com/img/i176268226_37754.jpg
the old rotor and new one
http://pic.piczo.com/img/i176244230_85956.jpg
my new DG Baja Swingarm Skid Plate
http://pic.piczo.com/img/i172645115_51695.jpg
http://pic.piczo.com/img/i175789860_30123.jpg

Posted by: exrider008

looks good

Posted by: teamhonda396x

can u help me.take a look at the picture.

Posted by: exrider008

mine did the same thing i have no clue what it is just buy a new cap maby.

Posted by: 300ex_#387

quote:
Originally posted by teamhonda396x
can u help me.take a look at the picture.

I thought you had a 250x?

Posted by: Sjorge300EX

that cap is the blow off cap. When your oil pressure gets to high the extra pressure blows out of there. That looks like it happened to you. You need to order a new cap, take the head cover off, put RTV sealant around the circumferance of the cap and put it were it belongs. Then put everything back together.

Posted by: teamhonda396x

quote:
Originally posted by 300ex_#387
I thought you had a 250x?

300ex and 250x are the same thing.

Posted by: 300ex_#387

quote:
Originally posted by teamhonda396x
300ex and 250x are the same thing.

I know they are the same thing, but that can't be a 91 250x if it doesn't have a kicker. Unless you swapped engines.

Posted by: teamhonda396x

thats a pic of HIS engine

Posted by: blaster77

hey ben what up this brandon just say gday

Posted by: reconmaster

Since the whitebrothers headers are discontinued and i don't want to buy a whole a full system from other companie i decided to grind out the restrictive welds in the stock header
before
http://pic.piczo.com/img/i172269009_14207.jpg

after
http://pic.piczo.com/img/i172823996_12817.jpg

Posted by: Sjorge300EX

quote:
Originally posted by reconmaster
Since the whitebrothers headers are discontinued and i don't want to buy a whole a full system from other companie i decided to grind out the restrictive welds in the stock header
before
http://pic.piczo.com/img/i172269009_14207.jpg

after
http://pic.piczo.com/img/i172823996_12817.jpg

its not just those welds that restrict the flow. The pipe its self has a small diameter.

Posted by: reconmaster

true but that porting/grinding off the weld is better than nothing

Posted by: BiG James

nice job on the rebuild

Posted by: reconmaster

my ex is rollin rollin haha hope to finish her while march break is on baaaam
http://pic.piczo.com/img/i176544595_9750.jpg

Posted by: reconmaster

my ex is all together and worth the money spent i had to add a wisecoe 11:1 compression piston to it cause of my cylinder being 3thou over but she pulls really good and rides really well =the new renthal bars are really comfortable I think the cr high bend is the best bend you can go with imo
i'll have pics and vids asap

Posted by: gonenbroke

if u want a cheap high flow pipe buy a dg headpipr off ebay off ebay

Posted by: big k

man there are a whole lot of haters in this thread.

excluding the last couple of posts.

everytime this kid does something that he likes to his quad theres about five responses of people telling him it was a bad idea.
all youy haters SHUT UP! this kids motivated and atleast hes doing something other than bashing on someone elses quad. hes doing stuff to his quad that he will appreciate so shut up and let him do his own thing

good job man i like it

Posted by: james7734

That thing is looks awesome dude! I love it. Matter of fact, I borrowed an idea from you and ported my header pipe too. I haven't ridden it with that done and the new White Brothers E series slip-on I bought. I can't wait. Anyway, just wanted to say your quad looks great and you can tell you care about your quad, not like these other guys who never clean thiers.

Posted by: 06yfm350

good job ben. looks like ill be seeing ya at riverglade next weekend. good luck.

Posted by: reconmaster

final product
http://pic.piczo.com/img/i179954615_98880.jpg

Posted by: Mx_523

That looks really good. How do you like your 400ex front end?

Posted by: reconmaster

works awesome i say its a better idea long term wise(if your on a budget) to buy then after market suspension according how long you plan to stay on a 300 before movin up to a 450

Posted by: PolarisRider

Dang, i love that bumper you made!! Ill have to get the armidillo instead of the ac racing i was going to get because it looks awsome on a 300!

Posted by: JoE4554

Where did you get those top shock mounts? I have Burgard +2+1 a-arms with Works triple rate w/ rezzies off a 250r. I baught a Diamond Customs bracket. But the shocks kind of sit straight up. Heres a picture :http://bikepics.com/pictures/592780/

Posted by: reconmaster

my master fab man made it

Posted by: teamhonda396x

looks nice recon.with all the new parts and money into it you can allways trade it in..........for a predator