Service manual
2- Additional Features:
● Greater overall strength than stock crankcases, especially
in the front motor mount, an impor
tant consideration in
high performance applications.
● All oil passages between the crankcase and cam support
plate are O-ring sealed.
● Compatible with stock components. Use stock oil pump,
cam support plate, gear cover, etc.
● Uses 1999-2002 T
imken
®
style spr
ocket shaft bearing.
● Uses 2003-up pinion shaft bearing
S&S
®
T124 and T124V instr
uctions often refer to
procedures described in other S&S instructions or a
Harley-Davidson
®
Service Manual. These materials should
be cross-referenced as necessary.
IMPORTANT
Before proceeding, verify that serial numbers on crankcases
match numbers on packing carton and certificate of origin.
Contact S&S immediately if numbers do not match.
NOTE - Valid certificate of origin is required for any transfer
or sale of longblock assemblies. Cer
tificate of origin is
r
equir
ed to title and license any motorcycle which is to be
driven on public streets and highways.
4
Dynomometer chart showing typical horsepower and torque curves for S&S 124” T124 engine.
Horsepower and torque curves will vary, dependent on the engines state of tune, and the ignition and fuel systems
used on the completed engine.
Torque
Horsepower