Table of Contents
Sportster Technical Menu
Below you can find a vast array of technical information about the
Sportster model motorcycle created by Harley-Davidson in 1957.
The information is divided into four sections:
Ironhead Models (1957-1985)
Evolution Models (1986-later)
Reference Material (All Years)
Misc Resources - Sportster Parts, Tech Bulletins, etc.
Click on a section above or simply scroll down the page to review the technical categories that are available.
Select the Ironhead or Evolution sections for year specific information. For general subjects pertaining to all Sportsters,
select the Reference section. Because there is some overlap in technical information between the Ironhead and
Evolution models, if you don't find what you are looking for in one section you might want to explore the equivalent
category in the other model section.
Select the Miscellaneous Resources for information about resources that can be helpful to servicing and maintaining your Sportster. You'll find parts sources, service bulletins, recalls, manuals, etc. in this section.
Be sure to visit our Parent Site - XLForum.net to discuss everything related to Harley-Davidson Sportsters:
http://xlforum.net/forums
Ironhead Engine Models ( 1957-1985 ) |
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Ironhead Technical Categories
- Engine Mechanicals – Top & Bottom End
- Oiling and Lubrication
- Carburetor, Intake Manifold & Exhaust
- Electrical System
- Engine Control
- Primary Drive & Clutch
- Transmission & Final Drive
- Suspension
- Wheels, Brakes & Tires
- Body Parts
- Ironhead Service Videos
- Ironhead Sportster - General Information
Evolution Engine Models ( 1986-later ) |
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Evolution Technical Categories
- Engine Mechanicals – Top & Bottom End
- Oiling and Lubrication
- Carburetor, Intake Manifold & Exhaust
- Electrical System
- Engine Control
- Primary Drive & Clutch
- Transmission & Final Drive
- Suspension
- Wheels, Brakes & Tires
- Body Parts
- Evo Service Videos
- Evolution Specific Troubleshooting
- Evolution Sportster - General Information
Additional Troubleshooting & Information For All Years |
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Factory Tech Info, Charts, Lists, Shop Notes, Tools |
Reference Technical Categories
- Engine Mechanicals - Top & Bottom End
- Oiling & Lubrication
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- (Includes: Changing Oil - Which Oil to Use - Oil Charts - Getting More Technical)
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- (Includes: Charts)
- Oil Temperature
- Oil Pressure and Flow Rates
- Oil Pumps
- Oil Filters
- HD Super Premium 5 vs Napa 7148 5 micron oil filter (picture comparison).
- Oil Tank
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- Carburetor, Intake Manifold & Exhaust
- Electrical System
- Engine Control
- Primary Drive & Clutch
- Transmission & Final Drive
- Suspension
- Wheels, Brakes & Tires
- Tire 101 (Understanding Sizes & Descriptions, Buying, Numerous Charts - speed, load, etc.)
- Body Parts - Accessories
- Custom Painting
- Service Procedures
- General-MSR (For Maintenance, Servicing & Repair)
- Troubleshooting
- Compounds
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- (Includes: Bearing Grease - Anti-sieze - Threadlock)
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- Shop Notes
- Tips
- Miscellaneous - Other
- Tools & Fasteners
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- (including Commercial, Homemade and Modified Tools for Sportsters)
- Decimal Equivalent Chart (Fraction, wire gauge, letter and metric sizes)
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- Engine Conversions
- Trailer / Trailering or Otherwise Hauling a Sportster
- Quotes & Stories Too Good To Forget
- Raw Data
Miscellaneous Resources |
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Parts Sources, Tech Bulletins, Recalls, Factory Manuals, etc. |
Misc Resources
- Resources for Sportster Help
- Factory Parts Catalogs (information on usage and a list of parts catalogs)