S&S Cycle USB Magneti Marelli Style VFI (Variable Fuel Injection) Module and ProTune II Software - Manual (Page 2)

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NOTE: All brand names, trademarks or registered trademarks mentioned in these instructions are the property of their respective holders and are used in
a reference capacity only.
S&S® Fuel Injection is not compatible with E85 fuel. Use of E85 fuel may cause your engine to run poorly and/or damage system
components.
TABLE OF CONTENTS
Introduction ................................................................................................................. 2
Kit Contents .................................................................................................................. 2
Additional Parts Required ....................................................................................... 3
Optional Accessories ................................................................................................ 3
Installation .................................................................................................................... 3
VFI Module Installation ..................................................................................3
ProTune II Software Installation ..................................................................3
Installing USB Drivers .....................................................................................6
USB Driver Installation - Windows® XP ..............................................6
USB Driver Installation - Windows® Vista and Windows® 7 ........7
Loading a Calibration .....................................................................................9
Basic Troubleshooting ............................................................................................10
ProTune II Diagnostics ............................................................................................10
Check Engine Lamp Diagnostics........................................................................10
Stock Throttle Body Setup Procedure ..............................................................11
INTRODUCTION
The S&S VFI (Variable Fuel Injection) module directly replaces the stock fuel injection module and works with the stock sensors and injectors. This
Magneti Marelli® Style replacement module works with all 1995 – 2001 EFI touring motorcycles.
This instruction sheet describes the installation of the S&S Magneti Marelli® Style replacement module with a USB computer interface.
KIT CONTENTS
• VFI Module – Also referred to as an ECM (Engine/Electronic Control Module)
• ProTune II Software CD
• USB Port Plug and Hardware Packet
CAUTION
Kit Contents