2005 Ski-Doo RT Series Shop Manual, Page 188Get this manual

Section 05 ELECTRICAL SYSTEM Subsection 04 (ROTAX ELECTRONIC REVERSE (RER))
ROTAX ELECTRONIC REVERSE (RER)
TROUBLESHOOTING
RER Does Not Response When Depressing STARTRER Button
Check for faults using the vehicle communication kit (VCK) and B.U.D.Ssoftware Check if engine STARTRER button works normally, refer to ENGINE MANAGEMENT

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives