Two Brothers Racing CBR900RR User Manual
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Parts List
We recommend that this performance exhaust system be
installed by a qualified motorcycle technician. If you have
any doubts as to your ability to install this exhaust system,
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 the sidestand or ideally a rear service stand during
installation. Be sure to save all stock exhaust components
for possible use later.
1. Make sure the bike is completely cool before starting the
installation. Make sure the bike is secure on the sidestand or
ideally a rear service stand.
2. Remove the nuts/bolts holding the stock canister onto the
flange. Loosen the hardware that holds the canister to the
passenger footpeg and remove the canister from the bike.
You will reuse the stock flange gasket.
3. If your bike has a pipe extending past the stock exhaust
flange, you’ll need to cut it off with a sharp hacksaw. Be sure
to measure twice and cut once! Typically you can leave 1/2”
of pipe extending past the flange face.
4. Place a bead of hi-temp sealant on the gasket seating area
then place the Honda OE gasket into the hi-temp sealant.
Install the canister onto the end of the stock exhaust flange.
You’ll have to hold it in place while you start the nuts/bolts
through the flange holes and into the inlet. Go ahead and
tighten evenly and fully. Wipe off any excess sealant that
squeezes out.
5. Carefully slide the muffler clamp over the muffler. (Note: The
stainless steel canister clamp and the name badge on the
canister come from the factory with a clear plastic protective
film. Please remove this film before operation.) Locate both
tabs of the canister clamp on the outside of passenger footpeg bracket. Use the stock hardware to secure it.
6. 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.
IMPORTANT - PLEASE READ CAREFULLY
Canister Clamp Detail
CBR900RR Flange-On Instructions.qxd
Installation Instructions
Flange Detail
1/2”
Cut on dotted line.
QTY. DESCRIPTION PART NUMBER
1 MUFFLER (17.5”, RIGHT EXIT) -
C2 MUFFLER (93-95 #E028, 96-99 #E029) VARIES
C4 MUFFLER (93-95 #E088, 96-99 #E088 WITH 96-99 ORIENT.)VARIES
C5 MUFFLER (93-95 #E128, 96-99 # ) VARIES
1 MUFFLER CLAMP VARIES
2 TBR STICKERS 015-10197
Care & Cleaning / Warranty
Care & Cleaning
Keep system free of dirt and moisture. Store in a cool, dry place. For cleaning use a
mild spray cleaner. Always apply cleaner or polish with a soft, clean cloth.
Stainless Header System: Polished stainless steel pipes will turn a light golden hue
after a few heat cycles, this is a normal characteristic of high quality stainless steel.
Carbon Fiber & X-Metal Mufflers: X-Metal CF canisters will shift color from their
original silver color to an amber color after a few heat cycles, similar to the way our
stainless steel headers shift color. Always make sure the fiberglass packing inside is
in good condition and not burned out, as exhaust heat inside an empty canister will
deteriorate the Carbon Fiber / X-Metal CF sleeve. TBR sells repack kits (TBR part #
005-10038) that include new rivets and repack material as well as a drill bit (#30),
making it easy to do yourself. Also, NEVER dyno test your bike with carbon fiber mufflers installed - the intense heat and lack of cooling air can quickly cause the CF
material to burn. Two Brothers Racing does not provide a warranty for burned carbon
fiber.
Aluminum Mufflers: Use an aluminum or mag wheel polish such as Mother’s to
restore the bright finish to factory spec.
W
arranty
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.
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