2004 Ski-Doo REV Series Factory Service Manual, Page 96Get this manual

Section 03 TROUBLESHOOTING Subsection 04 (ELECTRICAL SYSTEM)
SYMPTOM

RER (ROTAX ELECTRONIC REVERSE) DOES NOT WORK
CONDITION

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