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YFZ450R Exhaust systems + EFI comp - what are people runnin

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billyr85
50cc nipper


Joined: 19 Jul 2009
Posts: 46
Location: Ipswich

PostPosted: Mon Sep 07, 2009 8:13 pm Post subject: YFZ450R Exhaust systems + EFI comp - what are people runnin Reply with quote Back to top

hey guys just wondering if there are any 2009 yfz450r owners out there who have upgraded the whole exhaust system yet?

I have been looking at all the pipes from the states and all the guys there are running a PC5 EFI controller to remap to suit the pipe and air filter.

Only thing stopping me buying one is the stockist in australia doesnt do them for yfz45or controllers and importing one has no warrenty then.

I'm hoping there are some of you here that can suggest what combo to buy for my yfz450r.

Thanks

Billy
 
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IC chill
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Joined: 29 Mar 2006
Posts: 112
Location: NORTH WEST

PostPosted: Mon Sep 07, 2009 9:31 pm Post subject: Reply with quote Back to top

we run the vortex igntions they are so simple. with a full hmf exhaust it grunts well...

or hold off for vortex new ecu which will be the to go.
 
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Noy Q75
Roostin Away


Joined: 16 Nov 2007
Posts: 943
Location: Perth W.A.

PostPosted: Mon Sep 07, 2009 9:37 pm Post subject: Reply with quote Back to top

I have got the following on my YFZ450r

GYTR pc 3 (power comander)
GYTR exhaust the 94db one(black tip) not the 100db(grey tip)
GYTR high flow filter and outer wear

If you purchase the GYTR power comander from yamaha they can put the australian performance progame in it for you for it is set for our conditions not the usa ..

i race hard pack so i also have a 15tooth front sprocket they are the same sprocket as the 700 raptor .. the 08 back yfz sprockets do not fit . i also run 18s on the back.

I have run GYTR gear on my 700 raptor and i went like a champ all day every day. then i bought a 08 yfz and i put all diffent brand pipes/jets/filters on it and that bike only lasted 3 months i was not happy with the way it run. this is why i have run all GYTR gear again for my latest bike and i am happy with it.. so my 2cents is go GYTR.. yamaha have made all that stuff to suit that bike.
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billyr85
50cc nipper


Joined: 19 Jul 2009
Posts: 46
Location: Ipswich

PostPosted: Tue Sep 08, 2009 6:54 pm Post subject: Reply with quote Back to top

hey thanks for that might go the hmf full pipe when this new vortex spose to be coming out?? I really wanted a curtis sparks big bore they sound so good.
 
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IC chill
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Joined: 29 Mar 2006
Posts: 112
Location: NORTH WEST

PostPosted: Tue Sep 08, 2009 10:18 pm Post subject: Reply with quote Back to top

october-november apparently
 
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dummett
50cc nipper


Joined: 03 Nov 2008
Posts: 48
Location: perth

PostPosted: Wed Oct 07, 2009 11:15 pm Post subject: Reply with quote Back to top

i have a 94db full drd system with a pro design filter kit
and have tryd both the vortex and the powercomander 5
ther both great products but i ended up geting a better curv from the pc5 because you can make ur own map, or use tuning link, like i did and it runs sweet now Smile
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yfz450r09
50cc nipper


Joined: 25 Oct 2010
Posts: 4

PostPosted: Mon Oct 25, 2010 4:13 am Post subject: Reply with quote Back to top

Noy Q75 wrote:
I have got the following on my YFZ450r

GYTR pc 3 (power comander)
GYTR exhaust the 94db one(black tip) not the 100db(grey tip)
GYTR high flow filter and outer wear

If you purchase the GYTR power comander from yamaha they can put the australian performance progame in it for you for it is set for our conditions not the usa ..

i race hard pack so i also have a 15tooth front sprocket they are the same sprocket as the 700 raptor .. the 08 back yfz sprockets do not fit . i also run 18s on the back.

I have run GYTR gear on my 700 raptor and i went like a champ all day every day. then i bought a 08 yfz and i put all diffent brand pipes/jets/filters on it and that bike only lasted 3 months i was not happy with the way it run. this is why i have run all GYTR gear again for my latest bike and i am happy with it.. so my 2cents is go GYTR.. yamaha have made all that stuff to suit that bike.


Hello
first a little introduction
i am not from australia but from the netherlands.
also drive a nice white red yfz450r 09 like the bike very much.
i also have a gytr 100db exhaust.
i like this pipe.but its very loud.
also have a doma -exhaust on my quad(this one is a lot more quiet),but for my feeling the gytr runs better and smoother.
i saw you have a gytr 94db on your yfz 450r and not the 100db
on the yshop of your country there is the next item:

http://yshop.yamaha-motor.com.au/yshop/Product_detail.asp?CatID=2&ModelID=YZ450F&RangeID=21&CatDesc=Motocross+4+Stroke&offset=15&ProdID=7972
i can't find it anywhere else then in australia
now i am curious if you can tell me if it fits the 99/100db exhaust to make it quiet,or what is the difference between those two. and how about power with the 94db exhaust?
reason i ask this is i like this pipe very much and next season (cross) we have to go to 94db also.
thanks
 
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phrozin
Blaster class


Joined: 15 Jan 2008
Posts: 111
Location: earth

PostPosted: Tue Oct 26, 2010 5:43 pm Post subject: Reply with quote Back to top

not sure the vortex is adjustable enough +8 to -8% is not great if you do more than pipe and filter msd have this for the yam 450r

http://www.kfx450hq.com/forums/general-discussion/6836-msd-ignition-just-released-yamaha-yfz450r-x.html


http://www.kbmotorsportsonline.com/tuning-management/efi-fuel-controllers/msd-blaster-fi-controller.html
 
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rosscokm
50cc nipper


Joined: 11 Jul 2010
Posts: 48
Location: Noosa, Queensland

PostPosted: Fri Nov 12, 2010 8:25 am Post subject: Reply with quote Back to top

i run rossier full exhaust and msd blaster fi the blaster is awesome u can adjust everything and u still keep all your alarm lights and stuff and u can adjust your timing aswell as fuel which gives u an awesome increase in power it is very noticeable
 
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