User Manual

8
89 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: 10.1 to 1
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Spark Plug Type ......... Champion RN12YC or Equiv.
Dry Weight .................................... ~ 165 lbs. (75 kg) Size ............................................. 14 mm, w/Washer
Bore......................................... 3-1/2 inch (88.9 mm) Gap ..................... 0.040 to 0.045 inch (1 to 1.1 mm)
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Stroke .................................... 4-5/8 inch (117.5 mm) VALVE TRAIN
Displacement (CI) ............................. 88.9 cubic inch Rocker-Arm Ratio ..................................... 1.625 to 1
Displacement (CC)................................... 1,458.4 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)
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FUEL SYSTEM ....................................................... Intake ............................................ Open - 0° bTDC
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Carburetor...Super E (Butterfly, 1-7/8" (47.6 mm) Bore) Close - 40° aBDC
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Fuel ........Unleaded Gasoline: 91 Octane Minimum Exhaust ....................................... Open - 50° bBDC
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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.
88 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: 9.4 to 1
1
Spark Plug Type .......... Champion RN12YC or Equiv.
Dry Weight .................................... ~ 165 lbs. (75 kg) Size.............................................. 14 mm, w/Washer
Bore............................................ 3-5/8 inch (92 mm) Gap ...................... 0.040 to 0.045 inch (1 to 1.1 mm)
1
Stroke ....................................... 4-1/4 inch (108 mm) VALVE TRAIN
Displacement (CI) ................................ 88 cubic inch Rocker-Arm Ratio ...................................... 1.625 to 1
Displacement (CC)................................... 1,437.6 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 E (Butterfly, 1-7/8" (47.6 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.