1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 34Get this manual

Fuel Requirements
Minimum Octane Models Recommendations Pump Posted "RON"

Colt, Junior8

See fuel classifications below

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