Sand_YFZ

Ebay Link<------Click here for your problems Buy one of those,that will fix it.

ill be in Glamis also for 4 stroke Wars.Its going to be awesome.......If you guys havent been to it before its worth the trip.The fastest 4 strokes in the country are going to be there.

Dumont Helmet Cam Footage<-----Click here and save target as.....

sorry,ill have it up soon

dont get sandstars,they are one of the heaviest tires on the market.Like a boat anchor.If you get edges try to get them on an 8 inch wheel.I would suggest 21-12-8 haulers from fullerton.They are very reasonable,maybe a couple hundred for a set or so.

keep your stock gearing too,like 14-38,if my bike will pull 4th up comp with my fat a$$ on it yours will too,mine did that as a bolt on bike too.so dont play with your gearing to pull more gears,get a better tire setup and keep your gearing

Ill tell you right now the best investment to get faster at the dunes without limiting your bike is a badass set of tires,like padla bratts,or double or triple buffed 6 or 7 cup haulers on blue labels.mount em up on like 8x7 inch wheels and you will pick it up bigtime,by cutting down on your rotating mass.21x12x8 is a perfect all around tire size for the do all purpose. call fullerton sandsports

as far as CDI boxes go there a ONLY 3 different rev boxes made.1 is the Dyna,the best one of them all maybe,lots of different options on this one but very expensive too.2 is the vortex which from what i read wont work or need a modification to work with aftermarket flywheels,this is a very nice unit also and a bit on the pricey side.3 is a Procom which is basically every little black box you see with big gun,esr,white bros,etc...... stickers on them.They are basically all the same with stickers on them.Mine that took a crap at dumont was a cheapy procom i paid 90 bucks on ebay for.it lasted a year then crapped out.If i buy another it will be the Dyna.Hope that helps

The yz cam is the same as doing the cam mod,no performance diff there.The hotcams you will see a little top end pull diff.With the web +5 race grind you will see a nice noticeable gain top to bottom,those are awesome cams.The is a new crower gen3 billet cam that runs great too.The cams in the yfz are great cams and with the cam mod they work great,but to be honest i will probably do cams myself.I would probably go with the webs or the gen 3.The hotcams are a great budget minded cam for sure though.

Yes i did,my whole rearend is stock right now,i tore it up the other day

cool ive had mine for a while,i washed it the other day.lasts way longer than the orange ones

All my text is gone from my post. Oh well,anyway i lost my billet taillight at dumont last trip,so i bought some led's and made my own.Also i had a custom flag made i run on my yfz from dwflags.com here is a link,she can do anything you need for real cheap and they look awesome.Here is a linkEbay link<------Click here

I have no idea why it broke,its aluminum,and i dont ever jump that bike.Everyone on here knows its at comp 99% of the time.It snapped on takeoff. POS.Ill never ride on an aluminum axle again.

turbo raptors are dyno queens.

ill day trip it for sure.Me and Berrrrrrrrrrrrrrrt are carpooling probably.Cant wait to get back.

yeah pete if i know my mechanic he was most likely intoxicated I got it right the second time Its an animal now. :headbang:

Man Dumont was awesome saturday.My new build ran like a raped ape.YfzTech.com hosted a badass shootout for YFZ's only.I won my heat and actually drew the fastest guy first.But i screwed up my clutch install and fried it,so rick moved on while i watched :headbang: .Check out the video though.Incase you guys dont know im Aaron. YFZTECH shootout<------click here and save target as

There is going to be a YFZ shootout at Banshee hill at 10:30am on saturday if you guys want to watch,there should be some fast bikes.Just thought id let you guys know.Ill be racing in it with the new build.I want in on the dune ride too

perfect jetting for dumont for a yfz450 on gas is 175 main,45 pilot,and 1 3/4 turns out of the fuel screw.worked perfect on mine until i switched fuels.

Well you are going to need a new intake,ESR sells the airbox eliminator for about 80 bucks shipped,or you can get a ron woods for about 140ish.Either of those will pick it up.Put your gearing back to stock.Tires are going to make the biggest difference for you in the dunes.For example if you have sandstars on itp wheels then they probably weigh around 18lbs each.Switch those up for some 21-12-8 haulers with about 6 or 7 cups.on Douglas blue labels.Cutting down the rotating mass on the bike will give big gains in the sand.If you are wanting a little more topend pull,then the Yoshi isnt the best pipe for the application.Its more of a bottom-midrange pipe.The ESR,Ron Woods,or Sparks Big Core are going to give you much better top end pulling power.If you want some pour in power then run some stinky sh*t.The VP U-4 will give you 2-3 horse guaranteed.Its a bit pricey though at 12 bucks a gallon.With the yfz set-up,and horsepower to weight ratio is critical to making it fast,the motor doesnt need a whole lot.

dont waste your time putting a busa in a banshee frame,a big stroker banshee will whoop it.Streetbike quads have a miserable time off the line,and by the time the motor revs up the race is over.The one at Banshee wars is a built turboed nitrous bike and lost to a banshee.They were running the sam mph but it couldnt hang with the banshee off the line.Not to mention there probably isnt a hill on the planet big enough for a busa quad to reach its top speed.im serious though i want to help you all get your yfz's up to par.

I have the perfect recipe to make stock bore/stroke YFZ's fast as a scalded cat.If any of you guys want a faster YFZ just ask.Ive done all the trial and error for you.Ive learned alot about these bikes and am willing to share the wealth. I can help with the 450r too but damn im no miracle worker.LMAO!!!JK i know very good combos for those as well.Just ask.Later,Aaron aka PhatBlack450 :mc_smiley: