2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 22Get this manual
MAINTENANCE
RECOMMENDED MAINTENANCE PRODUCTSQUICK REFERENCE
Item Engine Oil Transmission Brake Fluid Type Polaris Premium Synthetic, 0W40 Polaris Synthetic Gear Case Lubricant Notes Add to proper level on dipstickRefer to procedures outlined later in this chapterSee Pages 2.17-2.18 2.8 2.23
Polaris DOT Brake Fluid Fill to indicated level inside reservoir
MAINTENANCE QUICK REFERENCE
Engine Oil
Lube RecPolaris 0W40 Synthetic
Add oil to proper level
Frequency
Change after 1st month, months or 100 hours thereafter; Change more often (25-50 hours) in extremely dirty conditions, or short trip cold weather operationChange annually