Performance Information
We at the VSTAR Custom, Classic, & Dragstar forum and Website do not guarantee the success of the following mods. They can be done if you take your time and follow the instructions. The use of factory repair manuals and after market repair manuals may be beneficial, have useful information, and relevant information.
Rev limiter points 1st 30-32 mph, 2nd 50-52 mph , 3rd 70-72mph, 4th 90mph this is a good indication that the bike is jetted correctly.
-
Intake
RAK
- Home made air kit modification
- GAK
- Air kit using K&N filters or Emgo pods
- Hyper Charger and re-jetting
- Installation instructions for the Hyper Charger and re-jetting information
- Re-jetting instructions
- Step by step instructions on how to rejet. (Extracted from HC instructions)
- Jetting chart
- Starting point settings for re-jet
- Carb sync and idle adjustment location
- An easy way to make sure your bike is running the best it can
- Troubleshooting carb
- Instructions on troubleshooting carburetors with a rich or lean condition
- Carb screw toolK
- Instructions making a carb screw tool to help remove the brass screws
- Carb Theory
- The theory behind the way our carbs work and re jetting
- Mikuni carburetors
- Tuning guide and trouble shooting carburetors
- Float Bowl adjustment
- Proceedures for adjusting the float bowls
- Single Carb Converion
- Proceedures for Single Carb Conversion (NON KJS)
-
Exhaust
Exhaust
- The theory behind Exhaust and Headers
-
Suspension and Braking
Rake and Trail
- Great explanation of bike handling
-
Misc
Misc Info and parts list
- Lists different replacement parts and information
- Calculations
- Calculations of Rpm versus speed
- Comparison
- Virago vs. V-Star engine info