113 cubic inch engine specifications – S&S Cycle TÜV Long Block User Manual
Page 11
11
113 Cubic Inch Engine Specifications
ENGINE
IGNITION SYSTEM
Number of Cylinders ............................................... 2
Timing ........................ 28
°
to 32
°
bTDC Full Advance
Type ................................................... 4-Cycle, 45
°
V
................................................................................
Compression Ratio ............. Normal Altitude: 9.0 to 1
1
Spark Plug Type .......... Champion RN12YC or Equiv.
Dry Weight ..................................... ~ 165 lbs. (75 kg)
Size .............................................. 14 mm, w/Washer
Bore ............................................. 4 inch (101.6 mm)
Gap ..................... 0.040 to 0.045 inch (1 to 1.1 mm)
11
Stroke ..................................... 4-1/2 inch (114.3 mm)
VALVE TRAIN
Displacement (cubic inch) ............................. 113.1 ci
Rocker-Arm Ratio ...................................... 1.625 to 1
Displacement (cubic centimeters) .............. 1,853.3 cc
Intake Valve Diameter ........... 2.000 inches (50.8 mm)
.................................................................................
Exhaust Valve Diameter ....... 1.605 inches (40.8 mm)
.................................................................................
Peak Valve Lift ..................... 0.520 inches (13.2 mm)
1
FUEL SYSTEM
........................................................
Intake ............................................. Open - 0
°
bTDC
1
Carburetor .. Super G (Butterfly, 2-1/16" (52.3 mm) Bore)
....................................................
Close - 40
°
aBDC
1
Fuel ......... Unleaded Gasoline: 91 Octane Minimum
Exhaust ........................................ Open - 50
°
bBDC
1
Warm Idle Speed ......................... 900 +/- 100 RPM
......................................................
Cloce - 2
°
aTDC
1
.................................................................................
(Open/Close Timings @ 0.053 inch (1.346mm) Follower Lift)
1
These specifications may change to optimize engine performance and maintain low emissions.