Two Brothers Racing S1R User Manual
Two Brothers Racing
s1R/taRmac Repack kit
Part # 005-10038S1
Description
Repack a ll road c anister s every 5 ,00 0 miles. Part # 00 5-10 038
Repack a ll off ro ad canis ters af ter ever y 10 hours of us e. Part # 0051003 8MX
Qty. Description Part Number
1 Packing Material 005-PACKING
7 Marson RIvet 005-H-51-54SSPG
1 O-Ring 005-7-7
1 6mm Drill Bit 005-9-DBTIN
Installation Instructions
1. Make sure the bike is completely c ool befo re star ting the install ation
and is secured to a center stand o r ideall y a serv ice lif t. The n, remove
the muf er asse mbly fro m the bike.
Note: The follo wing steps p erta in to both the Tarmac and S1R mufe rs.
2. Using the provided dri ll bit, c arefull y drill ri vets on th e outlet si de of the
muffle r to remove ri vet head s. Then w ith a punc h and hamm er, drive
the rivet b ody thr ough the mu ffler s leeve and o utlet.
3. Separate th e outlet flange an d inner core from the mu ffler s leeve.
6. Wrap the new pa cking ma terial ar ound the p erfor ated core tightl y and
wrap as mu ch of this ma terial around the c ore as will fit into the s leeve.
Use maski ng tape to secure it .
7. Ins ert the n ewly wr apped p erfor ated core into muff ler sleev e. Repla ce
o- ring on ou tlet flan ge and the n instal l into the sle eve. Make su re the
perforated co re seats fully into b oth inlet an d outlet f lange completely.
8. Use a hole punch to align ri vet holes.
IMPORTANT - PLEASE READ CAREFULLY
We recommend that this performance par t be installed by a qualied technician.
If you have any doubts as to your abilit y to install this per formance part ,
please consult with your local motorcycle dealer. Read all instructions rst
before star ting installation. Make sure the motorcycle and exhaust system are
completely cool bef ore starting the installation. Also, make sure the bike is
secure on a center stand or ideally a service lif t during installation. Be sure to save
all stock components for po ssible use later.
Warranty
Two Bro thers Ra cing produc ts are in tended for c losed cour se compe tition p urposes o nly, and the refore ar e
sold “a s is” with out warra nty. Two Br others R acing speci cally d isclaims an y warrant ies of mer chantabi lity
or t ness for a pa rticul ar purpose a nd disclai ms all respo nsibili ty for co nsequent ial and inci dental da mages or
any ot her loss es arising f rom the us e of these pr oducts o r parts .
Care & Cleaning
Care & Cleaning
Keep system free of di rt and mo isture. S tore in a co ol, dr y place. M ake sure vehicle is co mpletel y cool
before maintenance.
Repack a ll road c anister s every 3 ,00 0 miles . Part # 00 5 -1003 8
Repack a ll off ro ad canis ters af ter ever y 10 hours of us e. Part # 005-100 38 MX
NEVER dyno test you r bike with c arbon ber or ti tanium c anister s installed - the in tense heat and lack
of cooling air can q uickly burn thro ugh the c anister m aterial . Two Brothers R acing does not pro vide a
warranty for burned canisters.
4. Remove all existing pac king material fro m the per forate d core, if yo ur
caniste r came wi th a stain less steel wool wr ap aroun d the core l eave
this in pla ce.
5. Measure the core and cut n ew packing one inc h longer.
9. Using a rivet tool and the provided stainless steel r ivets, r ivet the outlet
flange b ack onto th e muffl er end. Re -u se origi nal rivet bands. M ake sure
all the hol es line up the same way as they did o rigina lly or you r muffler
may end up p ointing i n a differ ent direc tion wh en installed.
10. Check for p roper c anister/ collector alig nment and r einstall the canister(s)
to the motorcycle.
11. Double c heck to ma ke sure that all hardw are is tightened befo re you run
the bike, clean off all nge rprint s and dirt , as any oily residue will etc h the
metal and b ecome s omewha t perma nent when t he system g ets hot. R un
the bike and enj oy. It is n ormal for some white smoke to appe ar the rst
time you st art the bike. This i s packi ng/m anufac turing o il from ins ide the
pipe bu rning off. Che ck for gaps o r leaks . If yo u nd a leak , a lit tle hi gh
tempera ture sil icon s ealant should x it . Afte r 50 t o 100 m iles, r echeck all
fasteners for tightness.
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