Which YZ exhausts will fit an 06WR450F?
Posted May 04, 2006 - 09:41 PM
I'm not sure which years are compatible. any help will be greatly appreciated.
I also saw a post mention a yfz/or yzf muffler?? will other model mufflers work?
Posted May 04, 2006 - 11:02 PM
06 WRs have had brake, bar and other minor changes.
To that end, the exhaust should fit your WR provided it is from 05 YZ 450 or earlier.
The YZ slip on should be a big improvement over the standard WR.
Posted May 05, 2006 - 02:05 AM
ME, I removed the second baffel (the one tackwelded inside closest to the tail pipe. Took about 1/2 hour and once the endcap is reinstalled you cannot tell.
Then you can have a varity of tuning avail:
Run without arrestor and without tail pipe. Big difference in loudness and power Needs rejet
Add arrestor and still not tail pipe. Sharp brrrraappppp is attenuated but still will need jetting
Add arrestor and tailpipe. Not too much different than before, A little louder on top. may or may not need jetting, depends on how rich you were before.
All is assuming you had a decently jetted bike before.
I usually run with the arrestor and a PMB insert.
There is a thread here somewhere that has pictures.
Posted May 05, 2006 - 07:54 PM
I'll also keep my eyes open for a yz exhaust if I can find one cheap, just to compare power delivery.
Thanks for your help!
WR 450's RULE!!! BWAAAAAAaaaAAAaaaAA