2003 Polaris 3 PRO X Factory Service Manual, Page 39Get this manual

ENGINE Changing the Timing curve

This engine is jetted for operation at degrees _F and warmerRe-jetting is required for temperatures colder than 0_F
CAUTION

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