Yoshimura 2175152-SA Installation Procedures Manual
RESEARCH&DEVELOPMENT OF AMERICA, INC.
2175152-SA
TITANIUM PR O FULL SYSTEM WITH CARBON FI BER
2175157-SA
TITANI UM PRO FULL SYSTEM WI TH TITANI UM
0
5
10
15
20
25
30
35
2500 3500 4500 5500 6500 7500 8500 9500 10500
RPM x1000
SAE Corrected HP
2175157
Stock
Yoshimura R&D of America
2002 SUZUKI LTZ-400
2175157 vs. Stock
5
10
15
20
25
30
2800 3800 4800 5800 6800 7800 8800 9800
RPM x1000
SAE Correcte d T orque (lb-ft)
2175157
Stock
Yoshimura R&D of America
2002 SUZUKI LTZ-400
2175157 vs. Stock
5420 DANIELS STREET STE A, CHINO CA., 91786 · (800)634-9166 · (909)628-4722 · FACSIMILE (909)591-2198
www.yoshimura-rd.com
TRS OFFROAD PERFORMANCE EXHAUST SYSTEM
03-09 SUZUKI LT-Z400
03-05 KAWASAKI KFX400
Note: Dyno graphs are for comparison use only. Actual results may vary depending on operating and motorcycle condition.
NOTE: IN THE STATE OF CALIFORNIA, IT IS ILLEGAL TO MODIFY THE EMISSION CONTROL SYSTEM. WHICH INCLUDES THE CARBURETORS OF ANY VEHICLE.
THIS PRODUCT IS DESIGNED FOR USE IN CLOSED COURSE
! !
RACING AND IS NOT INTENDED FOR ANY OTHER USE.
CAUTION: The muffler packing on this system MUST be replaced every
6-8 hours of use, or after each moto. Failure to follow recommended
muffler re-packing interval can cause muffler damage and may void
the warranty.
Caution: Exhaust system can be extremely hot. Let motorcycle cool
down before beginning installation. Always wear hand and eye
protection and take precautionary measures to avoid injury.
Note: Read through all instructions before beginning installation.
Tools Needed:
Metric Socket Set
Ratchet and Extention
Metric Combination Wrench Set
Allen Bit Set
Torque wrench
Suzuki Service Manual
Installation Steps:
1 Remove stock muffler. (See Fig. 1)
2 Remove heat shield from stock header and install onto
Yoshimura header using stock bolts. (See Fig. 2)
3 Remove stock header and exhaust port gasket.
Fig. 1
NOTE: To remove stock header it is necessary to remove
the radiator hose pictured in Fig. 2. (On 2003-08 models
removal of thermostat is also required). Drain coolant
into a clean container if to be reused (Refer to factory
service manual for detailed instructions). Loosen one of
the hose clamps and disconnect hose.
THERMOSTAT COVER REMOVAL
(Note on 2009 model removal of thermostat is NOT needed.)
• Drain a small amount of engine coolant.
(2%-14%)
• Place a rag under the thermostat case.
• Remove the two 8mm hex headed bolts and the
thermostat cover.
• Remove the thermostat.
4 Install new exhaust port gasket.
Not supplied (Suzuki Part no. 14181-29E02)
5 Install Yoshimura header using stock header nuts.
Do not tighten nuts at this point.
eth
eth
si
si
edB
edB
l
l
otsHa
otsHa
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l
RemoveRemove
Fig. 2
6 Insert supplied rubber grommet into Yoshimura muffler
mounting bracket.
Fig. 3
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