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Harley-Davidson
Sportster
Engine Performance Dyno Runs
103.1 HP |
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Home Up Build an 82 HP Stage 3 engine Build a 95 HP Stage 3 engine EVO 77 HP EVO 78 HP EVO 81 HP EVO 82 HP EVO 85 HP EVO 93 HP EVO 95 HP EVO 101 HP XL 103.1 HP EVO 112 HP |
Performance and
Technical information on Stage 3 engines for Harley-Davidson motorcycles. |
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Drag Racing Performance 1.619 sec. 60 ft
6.938 sec. 1/8 mile
@100.98 MPH |
Stage Three Engine
Specifications
Year:
Model: XL
Bore: 3.62"
Stroke: 4.32"
Displacement: 89 CID
Cases: H-D
Assembly: James Reeder
Crankshaft and Flywheel: H-D
Heads: H-D
Intake Valves:
Exhaust Valves:
Valve Springs:
Porting:
Compression Ratio: 10.0:1
Pistons:
Cam: Andrews N83
Pushrods:
Carb: Mikuni HSR-45
Carb Jetting Information:
Manifold:
Air Cleaner:
Ignition:
Ignition Timing:
Coil:
Pipes:
Dyno Tuning Facilities:
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100.6
Horsepower @ 5500 RPM
103.1 ft. lbs. Torque @ 4400 RPM
89 CID XL
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Last updated May 11, 2006
Copyright© 1996,1997,1998
Stephen P. Mullen
P.O.Box 1085, Oldsmar,FL 34677
All rights reserved
Contact SPMullen@nightrider.com
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The Horsepower
Gallery provides an extensive list of bikes , the power they produced and the major
engine components. |