S&S Cycle, Inc .
S&S Cycle, Inc
®
Instruction 510-0049
09-12-11
Copyright © 2011
by S&S® Cycle, Inc.
.
14025 Cty Hwy G PO Box 215
Viola, Wisconsin 54664
Phone: 608-627-1497 • Fax: 608-627-1488
Technical Service Phone: 608-627-TECH (8324)
Technical Service Email: sstech@sscycle.com
Website: www.sscycle.com
All rights reserved.
Printed in the U.S.A.
S&S® CNC Ported Heads for T-Series Engines
Clearancing Instructions
Part Number 106-5880
DISCLAIMER:
S&S parts are designed for high performance, closed course, racing
applications and are intended for the very experienced rider only. The
installation of S&S parts may void or adversely affect your factory warranty.
In addition such installation and use may violate certain federal, state, and
local laws, rules and ordinances as well as other laws when used on motor
vehicles used on public highways, especially in states where pollution laws
may apply. Always check federal, state, and local laws before modifying your
motorcycle. It is the sole and exclusive responsibility of the user to determine
the suitability of the product for his or her use, and the user shall assume all
legal, personal injury risk and liability and all other obligations, duties, and
risks associated therewith.
The words Harley®, Harley-Davidson®, H-D®, Sportster®, Evolution®, and all
H-D part numbers and model designations are used in reference only. S&S
Cycle is not associated with Harley-Davidson, Inc.
IMPORTANT NOTICE:
Statements in this instruction sheet preceded by the following words are of
special significance.
WARNING
Means there is the possibility of injury to yourself or others.
CAUTION
Means there is the possibility of damage to the part or motorcycle.
NOTE
Other information of particular importance has been placed in italic type.
S&S recommends you take special notice of these items.
WARRANTY:
SAFE INSTALLATION AND OPERATION RULES:
Before installing your new S&S part it is your responsibility to read and follow
the installation and maintenance procedures in these instructions and follow
the basic rules below for your personal safety.
Gasoline is extremely flammable and explosive under certain conditions
and toxic when breathed. Do not smoke. Perform installation in a well
ventilated area away from open flames or sparks.
If motorcycle has been running, wait until engine and exhaust pipes
have cooled down to avoid getting burned before performing any
installation steps.
Before performing any installation steps disconnect battery to eliminate
potential sparks and inadvertent engagement of starter while working
on electrical components.
Read instructions thoroughly and carefully so all procedures are
completely understood before performing any installation steps.
Contact S&S with any questions you may have if any steps are unclear or
any abnormalities occur during installation or operation of motorcycle
with a S&S part on it.
Consult an appropriate service manual for your motorcycle for correct
disassembly and reassembly procedures for any parts that need to be
removed to facilitate installation.
Use good judgment when performing installation and operating
motorcycle. Good judgment begins with a clear head. Don’t let alcohol,
drugs or fatigue impair your judgment. Start installation when you are
fresh.
Be sure all federal, state and local laws are obeyed with the installation.
For optimum performance and safety and to minimize potential
damage to carb or other components, use all mounting hardware that is
provided and follow all installation instructions.
Motorcycle exhaust fumes are toxic and poisonous and must not be
breathed. Run motorcycle in a well ventilated area where fumes can
dissipate.
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All S&S parts are guaranteed to the original purchaser to be free of
manufacturing defects in materials and workmanship for a period of twelve
(12) months from the date of purchase. Merchandise that fails to conform to
these conditions will be repaired or replaced at S&S’s option if the parts are
returned to us by the purchaser within the 12 month warranty period or within
10 days thereafter.
In the event warranty service is required, the original purchaser must call or
write S&S immediately with the problem. Some problems can be rectified by a
telephone call and need no further course of action.
A part that is suspect of being defective must not be replaced by a Dealer
without prior authorization from S&S. If it is deemed necessary for S&S to
make an evaluation to determine whether the part was defective, a return
authorization number must be obtained from S&S. The parts must be packaged
properly so as to not cause further damage and be returned prepaid to S&S
with a copy of the original invoice of purchase and a detailed letter outlining
the nature of the problem, how the part was used and the circumstances at
the time of failure. If after an evaluation has been made by S&S and the part
was found to be defective, repair, replacement or refund will be granted.
ADDITIONAL WARRANTY PROVISIONS:
(1) S&S shall have no obligation in the event an S&S part is modified by any
other person or organization.
(2) S&S shall have no obligation if an S&S part becomes defective in whole or in
part as a result of improper installation, improper maintenance, improper use,
abnormal operation, or any other misuse or mistreatment of the S&S part.
(3) S&S shall not be liable for any consequential or incidental damages
resulting from the failure of an S&S part, the breach of any warranties, the
failure to deliver, delay in delivery, delivery in non-conforming condition, or
for any other breach of contract or duty between S&S and a customer.
(4) S&S parts are designed exclusively for use in Harley-Davidson® and other
American v-twin motorcycles. S&S shall have no warranty or liability obligation
if an S&S part is used in any other application.
CAUTION
Excessive valve stem protrusion or tolerance stack ups could cause the rocker arms to contact the ribs on the underside of the rocker
cover on T-series engines. See Fig. 2. We recommend removing material from the rocker cover (See Fig. 3, next page) before installation
to ensure that contact does not occur after initial installation or as mileage accumulates.
Fig. 1
Rocker arm showing contact occuring with cover rib.
Fig. 2
Rocker cover ribs where contact can occur.
2
Fig. 3
Material removed from cover for rocker arm clearance.
3
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