YZ exhaust in WR 07


11 replies to this topic
  • Elli rmr

Posted September 26, 2011 - 01:57 PM

#1

hi

can i use YZ front exhaust pipe to my 07 WR 450

  • 123BigcoopDawg576

Posted September 26, 2011 - 02:17 PM

#2

hi

can i use YZ front exhaust pipe to my 07 WR 450


yes 06-09 yz450f will fit 07-11 wr450f

  • Elli rmr

Posted September 26, 2011 - 11:34 PM

#3

Thanks for the info
br from Iceland Elli

  • mikewrf18

Posted September 27, 2011 - 05:18 AM

#4

08' YZF complete exhaust with PMB Spark Arrestor End Cap on 07' WR450F. Make sure to use new exhaust gaskets.
The WR pipe is a different diameter then the YZF pipe. You are replacing the complete exhaust or are you asking if the YZF header can be used with the stock tail pipe?
Posted Image

  • Elli rmr

Posted September 28, 2011 - 11:04 AM

#5

thanks for the info I have a YZF tail pipe and like to put it on my WRF so the engine can "breathe" better :smashpc:

  • SXP

Posted September 28, 2011 - 11:51 AM

#6

08' YZF complete exhaust with PMB Spark Arrestor End Cap on 07' WR450F. Make sure to use new exhaust gaskets.
The WR pipe is a different diameter then the YZF pipe. You are replacing the complete exhaust or are you asking if the YZF header can be used with the stock tail pipe?
Posted Image


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  • RichGuy

Posted September 28, 2011 - 01:13 PM

#7

I also have an 07 WR450 and replaced exhaust with 08 YZ450 complete stock exhaust with the shorty silencer. The YZ head pipe is much bigger in diameter, but it is also titanium and slightly more fragile. Keep the WR one as a back up. I did a JD jet kit, Twin Air filter and cut 15+ lbs along with my YZ exhaust swap and am VERY pleased with the performance...

Rich

  • Elli rmr

Posted September 28, 2011 - 01:36 PM

#8

I have another question fore you people i am thinking of getting a bigger fuel tank on my WRF so the question is do i get Clark, IMF or some other brand ??

  • Elli rmr

Posted September 28, 2011 - 02:01 PM

#9

This is my bike Yamaha WRF 450 2007 street legal in Iceland with Xenon hedlight and 100w stator

http://www.flickr.co...rmr/6192933937/

  • WR450FGreg

Posted September 28, 2011 - 02:02 PM

#10

.
I have had an OEM '08 YZ450F "Powerbomb" header fitted to my '08 WR450F now for 2 years. (ie. I kept the OEM WR450F muffler fitted to the bike.)

I've also tried the non-Powerbomb '09 YZ header, which also fits easily to the bike.

I recommend you open the muffler up to get maximum performance.

Details are here:
http://www.thumperta... saves big $$$$

Greg

  • Elli rmr

Posted September 28, 2011 - 02:08 PM

#11

thanx Greg but i need to have the stok pipe to put it on 1 every year to get the vehicle inspections on my bike..

  • resinlips

Posted September 28, 2011 - 07:28 PM

#12

I have another question fore you people i am thinking of getting a bigger fuel tank on my WRF so the question is do i get Clark, IMF or some other brand ??


I've had the Clark 3.6gl for 3 years now on my 07 and love it. Running it at mild rpm's it will go over 100 miles. You have to get an 06 petcock for a short straight fuel line.




 
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