Bel-Ray Si-7 Full Synthetic 2-Stroke Oil | Injector, Autolube & Pre-Mix

Bel-Ray Si-7 Full Synthetic 2-Stroke Oil

Purpose-built for high-performance 2-stroke engines, the Bel-Ray Si-7 is a clean-burning, full synthetic ester oil engineered to deliver maximum protection with minimal residue. Whether you're running an injector system, autolube setup, or pre-mix application, Si-7 keeps your engine running cleaner and longer.

Key Features

• Full synthetic ester formulation for superior protection and performance
• Compatible with injector, autolube, and pre-mix applications
• Significantly reduces smoke and carbon residue buildup
• High-performance protection for all 2-stroke engines
• Direct replacement for Polaris VES & VES Race 2-stroke oil

Who It's For

Si-7 is ideal for snowmobile, ATV, and powersports riders running Polaris or other 2-stroke platforms who demand a cleaner-burning, high-protection alternative to OEM fluids. Its synthetic ester base handles extreme operating temps and high-RPM stress better than conventional 2T oils.

Application

Suitable for all 2-stroke engines requiring a TC-W3 or JASO FD rated synthetic oil. Always consult your owner’s manual for mixing ratios when using in pre-mix applications.