Two Brothers Racing Yamaha YZ450F (WR450) - Manual

V.A.L.E.
V a r i a b l e a x i s l o c k i n g e x h a u s t
TM
Parts List
IMPORTANT - PLEASE READ CAREFULLY
Warranty
two brothers racing products are intended for closed course competition purposes only, and therefore are sold “as is”
without warranty. two brothers racing specifically disclaims any warranties of merchantability or fitness for a particular
purpose and disclaims all responsibility for consequential and incidental damages or any other losses arising from the use
of these products or parts.
We recommend that this performance part be installed by a qualified
motorcycle technician. If you have any doubts as to your ability to install this
performance part, please consult with your local motorcycle dealer. Read all
instructions first before starting installation. Make sure the motorcycle and
exhaust system are completely cool before starting the installation. Also,
make sure the bike is secure on a centerstand or ideally a service lift during
installation. Be sure to save all stock components for possible use later.
Installation Instructions
1. Make sure the bike is completely cool before starting the
installation. Make sure the bike is secure on a centerstand
or ideally a service lift.
2. Remove right side plastic.
3. Remove upper muffler mounting bolts and loosen joint
clamp.
4. Remove lower muffler mounting bolt.
5. Remove muffler assembly.
6. Assemble the V.A.L.E.™ unit by slipping the S-bend tube
through the X-Lite™ ring. Use the 4 (four) 6 x 20mm
socket head cap screws and split lock washers to loosely
attach the XLite ™ ring to muffler inlet.
2010 Yamaha
YZ450F
Slip-On V.A.L.E.™ Exhaust System
Part # 005-2690406V / 005-2690407V
Qty. Description Part Number
1 Muffler Canister Varies
1 S-Bend Tube 005-26904S
1 HARDWARE KIT 005-269-3
2 X-Ring (half) 005-7-2-3
1 8x30mm Flange Bolt 005-FB830
1 11mm AL Spacer 005-S-11
1 65mm Barrel Clamp 005-27-65MSH
4 6x20mm Socket Head Cap Screw 005-SH620
4 M6 Split Lock Washer 005-WL6
1 T20 Torx Screw Hex Key 005-9-15820
1 5mm Long Handle Ball end hex key 005-9-18610
1 TBR Sticker Kit 015-10212
7. Slip S-bend tube of V.A.L.E.™muffler assembly with
barrel clamp pre-installed into head pipe. Use supplied
8 x 30mm flange bolt to loosely attach upper muffler
mount. Use the supplied 11mm spacer between muffler
bracket and frame.
8. Making sure that the V.A.L.E.™assembly is oriented
correctly, securely tighten upper muffler mounting bolt.
9. Securely tighten the 4 (four) 6mm x 14mm hex head
bolts of the V.A.L.E.™assembly.
10. Securely tighten muffler joint clamp and muffler
mounting bolt.
11. Re-install side panel.
12. Double check to make sure that all hardware is tightened.
13. Before you run the bike, clean off all fingerprints and
dirt, as any oily residue will etch the metal and become
somewhat permanent when the system gets hot. Run
the bike and enjoy. It is normal for some white smoke to
appear the first time you start the bike. This is packing/
manufacturing oil from inside the pipe burning off.
Check for gaps or leaks. If you find a leak, a little high
temperature silicon sealant should fix it. After 50 to 100
miles, recheck all fasteners for tightness.
Muffler Inlet
X-Lite™ Ring
S-Bend Tube
V.A.L.E.™ Assembly Detail