The motor oil you use in your motorcycle is often chosen based upon myth or hype. A little bit of research into how motor oils is formulated and what all the designations really mean can help you make an informed choice. At Motorcycle Performance Guid, we serve nothing but synthetic motor oils. 

	Motor Oil Basics - everything you did not know to ask about motor oil answered.
	Motor Oils Service Designation Codes - what do they mean and how will the effect my engine performance?
	Motor Oil Test - Is that expensive Motorcycle oil worth the expense? Testing indicates that you may be paying too much.
	Oil Help.com offers oil and lubrication advice for all your vehicles.

For questions on oil and lubrication, click on Oil Help.

Engine Performance
How to Build a
TC96 2007 Engines
TC88 70HP Stage1  
TC95 128HP Stage 3
TC95 100HP Street  
TC96 2007 Stage 1/2
EVO 64 HP Stage 1
EVO 74 HP Stage 2
EVO 82 HP Stage 3
EVO 95 HP Stage 3
883 to 1200 Upgrade
Shovelhead Modifications

New EFI for EVO and TC

Performance Gallery
Horsepower Gallery
Evolution 80
Shovelhead
Sportster
Twin Cam 88/95
Evolution Unlimited
Sportster Unlimited
Drag Strip Gallery
Land Speed Racing Gallery
CV Carburetor
Modifying the CV carb
Tuning a CV carb
Camshafts
Selecting a cam
Install a TC 88/95 cam
Install a Big Twin cam
Install Sportster cams

Camshaft Specifications
Twin Cam
EVO
Shovel
XL

Exhaust Systems
EVO Exhaust Testing
TC Exhaust Testing
Khrome Werks AR100 test
Making Drag Pipes Work

SHOP TALK
Shop Manual
Carburetor
Carburetor Troubleshooting
Exhaust
Ignition
Finding Manifold Leaks
Camshafts
Cylinder Heads
Pistons and Cylinders
Clutch
Belt Drive
Shop Manual Appendix
$20 Bike Lift
Plug Wires
Spark Plugs
Engine Tuning
Nitrous Oxide
Motor Oil
Stutter Box
General Information
WEB Links
Buy Books and Manuals
Miscellaneous
Performance Calculations
Estimate Horsepower
Estimate 1/4 Mile Time
Estimate Top Speed
Engine Displacement
Exhaust Length
Gear Ratios
MPH at RPM
Air Density

183 HP, 2 carbs, 2680cc