yfz450 2009 testing

[SMS]

Hi guys I got a 2009 YFZ450R I will be doing dyno test here in the near future and posting results. I just recieved a dyno jet power comander it will be my first test. If you guys know or have heard any cool tricks on this bike to make more power please share and I will share the results of the test. Thanks for all your help.

[Solaris]

Hi, where you get that powercommander and what is price ? -> send pm please

I have try found that but not found yet,
please send inform also what results you get when you have make changes and what you have done.

[younggun95]

I called Dynojet last week it was I believe and they were not ready to start selling them yet. This person must just have an inside. Told me end of January

[outlaw450mxr]

What are the stock numbers? And all the GYTR parts are supposed to increase the hp a lot.

[SMS]

I can get you a programmer if you need be. Here are the dyno test from today.
Run 1 35.4 hp all stock
run 2 38.6 hp baffle out, air box lid off, power commander usb
run 3 40 hp Hmf exhuast full natalie series, power comander usb, air box lid off

[SMS]

2

[tedwilley]

PM me the PC price and model, please.

[Solaris]

what is power when baffle out and air lid off?

[Ride1Rob]

Wait a minute! Someone here (Can't remember) was saying 47-48hp with baffle out and airbox lid removed. To me 40-41hp sounds about right. And as far as someone saying GYTR are supposed to increase hp ALOT. That's what they will tell you because they want you to buy their products. Yamaha insists on using all GYTR products and are the only ones to insist on doing so. Hopefully this won't be a factor in the bikes performance and make it look like a dud out of the starting gate.

[400grl]

I'm pretty sure the YFZR will respond just fine to other companies mods, like the YFZ does. Yamaha works hand in hand with GYTR, so it makes sense that the YFZR will work extremely well with GYTR products, since they stay close throughout the development of the machine. I personally have been very happy with GYTR stuff lately, and I've used a lot of other products in the past. Actually, for my YFZR I plan on using a lot of GYTR stuff.

[HMFer]

Run #3 refers to a 04-08 YFZ450 HMF exhaust on a YFZR. HMF will have an exhaust for the YFZR available in late January/early February but it is still in the early stages of R&D. The power curves disagree with our initial testing. :macho

[SMS]

The exhuast is for the early model yfz. I think the cams, or the throttle body are holding use back not the exhuast. Any words of wisdom are appricated.

[quadracer707]

are these dynos for the yfz or the yfzr, & anyone have the dynos on both to compare, that is '09 models Thanx

Ken

[HMFer]

YFZR Dyno (http://gtthunder.com/09yfz450r_copy.jpg) Here is a dyno chart that is more consistent with our results from GT Thunder.

[quadracer707]

Ok is that stock yfz or yfzr, & which has ported head?? ZR or Z ??

Just trying to learn this stuff,

Thanx Ken

[bobbys9350]

Could you also give me a price on the power commander? Also what kind of combinations (engine setups) Do you have maps for? Thanks!

[SMS]

2009 yfz450r is what we are testing

[quadracer707]

that is amazing gains, what stage was the port job?? How big a piston can you go b4 you have to use race fuel. Still cant believe that gain in hp, any particular exhaust your running?/ And please keep us updated on this, Just awesome.

Ken

[1socal450]

Who to believe? The dyno charts on YFZCENTRAL claim 46 HP with baffle out and lid off? Also,I have a Sparks pipe on order and they are claiming around the same output! So many different stories:mad:

[daddio]

My YFZR pulled 47hp with the baffle out and the air box lid off. I'd post the results, but my scanner is broken.
It looks just like the chart from Fuel customs, though.

[Ride1Rob]

That 56hp is a very attractive #. I guess the more they test the more we'll see. It's kinda like when the YFZ first came out in 2003. In 04 peeps were saying 44-45hp with baffle out and lid removed. Then somehow those #'s went down 39-40hp. But even on the first YFZ power wasn't the problem. It had too much snap and wore you out and when modded, the motor wasn't as durable as the Hondas. Hopefully the changes will put it on the podium more. Sure wish they would have signed Wienen :mad: .

[SMS]

Hi I have talked to Laz at GT Thunder and he is willing to let me bring the bike down and put it on his dyno. We want to see if this is the bike or if my dyno reads low. If you look at the test as a comparison we started a t 30 and made 10 hp with a pipe and a power comander not to bad in my book. I know some of the other dynos charts out there are reading higher numbers but look at their base line run. They are saying stock they are getting 40hp and with a few mods getting 47 -49 On my dyno I got 30 base and 40 with the pipe and comander. Does any one know if the cam is different for this model?

[tedwilley]

The yfzr uses the head and cams from the yz450 bike.
I find it hard to believe that the stock yfz450 makes 37 hp and this new one with the high flow head from the dirt bike makes 20% less hp.

[SMS]

ya same here, I did some research and it says it comes with a new head and new cam design for more low to mid range power? I put a 70cc mini on this week and it is reading 9hp. Somthing is funnt with this bike it sounds ok with the hmf pipe but it, just does not rip. I think I will get into the engine this week.

[tedwilley]

Maybe try an exhaust that is known for power on the yz450?

[WesDS450X]

47hp with just baffle outta stock exhuast+lid removed sounds like a bunch of bs to me, and my buddys with built 3 mill stroker yfz's lol

[tt racer]

The dirt bike dyno readings will be different because one wheel verses 2 rotating mass or something?

[daddio]

Originally posted by WesDS450X
47hp with just baffle outta stock exhuast+lid removed sounds like a bunch of bs to me, and my buddys with built 3 mill stroker yfz's lol

Then why are so many people, from all over the country, getting about the same readings?

[tedwilley]

Originally posted by tt racer
The dirt bike dyno readings will be different because one wheel verses 2 rotating mass or something?

??

I was referring to the new head being from the yz450 and the exhaust flow requirements being similar.

[jersey devil]

I don't believe anybody has any sound info on the 2009 yfz yet hp ratings.Alot of specualting about this and that but nothing concrete .To early to tell.
The local Yamaha dealers don't even have any real data or a commander to tune the new 450r. All they received were the new yfz and the good stuff is on its way.
The anticipation sure is kind of exciting though and thats what we are all checking in here everyday.

[SMS]

I found that the Cams in this bike is alot smaller that has got alot to do with why it only makes 40hp and it also looks like the heads are much smaller! I hope this helps Our next step is to put the a set of 04 cams in it and port the head.

[raptoric]

Originally posted by SMS
I found that the Cams in this bike is alot smaller that has got alot to do with why it only makes 40hp and it also looks like the heads are much smaller! I hope this helps Our next step is to put the a set of 04 cams in it and port the head.

just asking but would the cams and head from a 06,07,08
work better than the 04? wasnt there a better head on the 06?

[daddio]

Originally posted by raptoric
just asking but would the cams and head from a 06,07,08
work better than the 04? wasnt there a better head on the 06?

The head from an 06 or newer YZ will not bolt up to a YFZ bottom end. The top end oiling is completly different.

[raptoric]

Originally posted by daddio
The head from an 06 or newer YZ will not bolt up to a YFZ bottom end. The top end oiling is completly different.

my bad meant the 06 or newer yfz not yz

[daddio]

Originally posted by raptoric
my bad meant the 06 or newer yfz not yz

In that case, then Yes. All year YFZ's are interchangable.

I have a hunch the YFZR will accept the '06 and up YZ heads and cyl.

[02raptor_rider]

Originally posted by SMS
I found that the Cams in this bike is alot smaller that has got alot to do with why it only makes 40hp and it also looks like the heads are much smaller! I hope this helps Our next step is to put the a set of 04 cams in it and port the head.

Definitely let us know how this works out!

[SMS]

started porting and putting a used set of 06 cams I had laying around in for now. When I get the money I will get some trick cams to try out!!

[Ride1Rob]

Originally posted by SMS
I found that the Cams in this bike is alot smaller that has got alot to do with why it only makes 40hp and it also looks like the heads are much smaller! I hope this helps Our next step is to put the a set of 04 cams in it and port the head.

So with all 450R's having heads and cams that may be restricting the bike where are the high hp #'s coming from? And surely this wouldn't be the case with baffle and lid removed. This is a good post as we are learning what this motor will really do first hand.

[jersey devil]

Seems like alot of speculation and rumors on here about the new 450 r?They have only been out to the public a month or so and it seems already a few have the inside scoop?Not to step on anyones toes but many conflicting reports so that tells me everyone is just shootin from the hip and speculating!
It will obviously take some time before we will know real numbers and facts on this new model.Seems this is the way it goes every time a new quad hits the market.
Thanks for all the input though guys.In the man time lets enjoy and ride hard!

[tedwilley]

I agree, that this is all a bit confusing to me.
Yamaha beefed up the lower end with a new crankcase to withstand higher output engine mods. Then they adopted the head from the yz450 dirt bike:

"This 449cc engine uses the cylinder head and cylinder from the championship-winning YZ450 for awesome power output. That means titanium five-valve cylinder head technology, with a camshaft designed just for this machine to deliver abundant low to midrange torque for performance where you can really use it to take the lead – while still maintaining a super strong top end to let you pull away from the pack."

And they lost power?
Something doesn't add up.

[jersey devil]

We all have read a couple articles out about some test rides by various qualified riders and for the most part they all seemed to be very pleased with the performance.Obviously no comparison to the yamaha team GYTR eguiped ride I'am sure.All the race mod parts are available to the public as usual but who intends to spend all that money.May as well buy a Can-am top of the line race ready quad.Ktm is on top of there game also with there new models.
We will soon see if this 09 450r cuts it or not.Just hope that we as buyers and owners don't have to dig to deep to make them come alive from the get go.I'am all for mods beleive me and I'am ready so lets hope that fact or fiction will be sorted out real soon!

[SMS]

I feel a bit used. The bike cost alot of money to only put down 30hp I was more than disapointed, I am glad it is not taking much to get it back up there just not sure why they put so small of cams in it. the only reason I could figure is the consumer has to buy a new set of cams and that gives them oppertunity! Working on porting head tonight I should have some new dyno runs by monday I'm on a mission to get this thing up to 50 hp on my dyno anyway.

[Ride1Rob]

Can you post a pic of the 450R stock cam alongside the 450 stock cam? The head also so we can actually see the difference between the two stock.

[jersey devil]

Are you saying you actually dyno'd and made only 30hp???????Any pipe or air box mods...completely stock??

[SMS]

Here is the intake cams from 06 yfz450 and 09 yfz450r is what your looking at. The exhuast cams look the same from the eye.

[jersey devil]

We can look at camshafts all day and compare but do you have any real dyno time on this new 450r?If so would you please print out for us to see.Thanks!

[SMS]

here is the dyno sheet it was 35 hp I made mistakeit is a real faint line I traced it paint I tried to stay on linesthe best I could but yoou get idea

[SMS]

paint shop I traced lines

[Ride1Rob]

Originally posted by jersey devil
We can look at camshafts all day and compare but do you have any real dyno time on this new 450r?If so would you please print out for us to see.Thanks!

He did that on the 1st page of the thread. There is a noticeable difference between the two cams. Less duration and less lift can't equal more power can it :( ? Maybe it all depends on the flow design of the head :confused:

[SMS]

Well I may be wrong put we are going back to moving air. I'm porting the head and putting 06 cams in it

[jersey devil]

So with a pipe,commander and air box opened up it made 40 hp.Right?
Where did you get the commander?I haven't been able to find one on the market yet for the new 09 450r??

[SMS]

we have them available here they are not on the web yet I'm trying to keep up on carrying all the new products for it! The power comander comes programmed from usas well.

[SMS]

It takes about 1 hour to install power comander it is fairly easy I could walk you thru it!

[jersey devil]

Does it cover all functions?Rev limiter,timing curves and fuel enrichment...etc.?
Some have oxygen sensors...just curious if this does also?what brand?Thanks.

[SMS]

FUEL CONTROL only at this point I'm working on getting a vortex ignition

[02raptor_rider]

Very interesting on those cams. Maybe that is yamaha's way of severely detuning these things like they try to do with all their other quads. Definitely let us know how you make out with the new cams and porting!

[zum]

everyone is upset about the dyno #'s out but you must know

EVERY dyno will put out different #'s they are not all the same, and the #'s also have alot to do with what gear the pull is being done on and the tire size of the rear wheel and tread pattern

the more important thing to concentrate on is the increase you get using the same dyno and methods as you add mods

that will give you a good indication to how the bike is responding to the mod and how much power its adding

im very intrigued by the cam lob findings... i doubt this was a attempt to "DETUNE" the bike as yamaha is pretty good at giving us a hell of a bike that is powerful and reliable.

maybe this design was needed to pass emissions who knows at this point.

but im sure there is a good reason for the different cam design.

KEEP up the good work guys!

[zum]

SMS can you get a hold of a stock yfz450 maybe like a 08+ and do a baseline run?

just so that we have a HARD comparison?

that would give is a good idea as to how your dyno is reading

i know you might have some from the past but it would be nice to have something more recent as dyno's do tend to give slightly different readings over time

Kodos to you btw for sharing all this

[bobbys9350]

What map(s) does it come programmed with? What maps do you have available for it? Thanks.

[SMS]

the map works good with air box lid off and aftermarket exhuast very good air fuel ratio

I tried different tires on the dynoand different air pressures it did not change hp or torque peaks it just moved the graph left or right depending on ratio.
The last 2007 I dynoed was new just like this one and I got 40 hp to start with? That is the biggest reason im so disappointed.

I will find this run

[AR1]

when i remove the air box lid i lose the power i really feel it but when i pot it back i feel the acceleration, is that ok i have baja race on friday am going to change the rear sprocket from 38 to 36 because i don't have the front one from 14 to 15
advice please

[02raptor_rider]

SMS sent you a pm!

[trx400 rider]

ok you said you took the baffle out some one told me that was bad for your bike is that ture

[daddio]

Any more new info?

[SMS]

no good news yet been getting ready for indy show hope to have head back on soon!

[SMS]

no good news yet been getting ready for indy show hope to have head back on soon!

[scottwvu]

Originally posted by 02raptor_rider
Very interesting on those cams. Maybe that is yamaha's way of severely detuning these things like they try to do with all their other quads. Definitely let us know how you make out with the new cams and porting!

Maybe it's Yamaha's way to try and sell a bunch of those high-dollar GYTR ported heads, too.....

[daddio]

If you price out all the parts included with the head, it's actually a good deal.

[400grl]

Well, if it makes you all feel better, we have a dyno (DynoJet) at our shop.....we have a set of "dyno tires" that we put on everything we dyno so that everything is measured the same.

We dyno'd my YFZR when I got it.....I am getting 42HP (rear wheels) with the baffle out and airbox lid on. This is WITHOUT the power commander - totally stock. With the airbox lid off, it's a tad more, but it's also a tad lean....so....I run the lid on right now until I get the power commander and can adjust the air/fuel.

My husband's piped and jetted, (cam mod done) stock YFZ motor dyno'd at around 45HP....so I'm certainly not complaining. I'm going to get a pipe, filter and power commander for my R, and we will dyno it again. Yamaha wouldn't make their new motor a slow POS - when have they ever done that with a sport quad?? They just had to get it to pass all the cr@p they have to go through regarding regulations, emissions, etc......

[Ride1Rob]

I don't think anyone was saying they made a slow POS bike. I for one simply very questionable about the 48hp that was floating around with the same mods as yours. 42 is nice with no real mods done to it. Got a chance to see one on the MX track this past Saturday and it was running with a YFZ and a LTR. 1st, 2nd, & 3rd in that order. If I knew what were done to the bikes I could have a better idea on how the R actually performs but don't know what was done to what.

[Shorty700Raptor]

I just got a new 2009 Yamaha YFZ450R today, it's the white and red one. Can anyone tell me how to adjust the idle on it, it seems like it is idled up too high? I also have a 2007 Yamaha Raptor 700R and the idle screw is in plain site. Any help is appreciated!

Thanks,
Shorty

[jersey devil]

Did you check the free play on your throttle cable?If you look on your owners manual it explains how to on page 8-29.

[Shorty700Raptor]

I will loosen the cable and then adjust the idle if it has an idle screw. Can someone tell me if it has an idle screw on it? Then adust the cable.

[SMS]

ok up date I have ported the head and fly cut the piston and have installed the cams from a 2006 yfz with cam mod done. I just tried it with stock exhuast and got 42-43 hp with power comaander hooked up air box lid off. The stock exhuast is not doing so good and really sounds like it is holding it back. I talked to Sparks and they got a pipe for us and is on the way!!! I will post results asap.

[Ride1Rob]

So with an added 5-6hp from the Sparks that's around 47-48hp? Or is the stock can just that restrictive that you may see more from the Sparks?

[jersey devil]

What is it you are confused about??If you are following this site you will read that no one really knows and this is a post that we all are following to hope to get some factual idea!

[631kfx400]

Originally posted by hondarider11
Alright cool. I am trying to do a lot of research on this bike. It might be my next 450.
want to give me your old honda:D :D :D

[631kfx400]

Originally posted by hondarider11
If you give up catipillars.
:p guilty as charged

[jersey devil]

No problem.We are all interested in what this new 09 Yamaha 450R with FI will be putting out.So any help or dyno info is very helpful to all of us.
Its good that you are checking out things before you make a purchase.I don't think you will go wrong with a newyfz 450 or the 450R.I like mine alot and it has good power and handles good in stock form.Of course I will be doing the usual mods as soon as the parts are readily available.
It being a new model this year it will take a while before we get all the data we are looking for.Same thing with accessories!Will take some time before the market will be flooded with all kinds of parts for it.
Good luck!

[ltr311]

Interested on if the 0lder cams make any more power. Ill be doing some testing very soon.