Bel-Ray – Si-7 Synthetic 2-Stroke Engine Oil

Bel-Ray Si-7 Synthetic 2-Stroke Engine Oil is the kind of oil that reminds you why you fell in love with two-strokes in the first place. Clean-burning, low-smoke, and high-performing, its formulated for riders who want their engine to run crisp and responsive ride after ride. The fully synthetic ester blend is built for both injector/autolube and pre-mix systems, offering flexibility without compromise. It keeps carbon buildup to a minimum, meaning fewer plug changes and smoother throttle response no matter how hard you ride.

We like it because Bel-Ray Si-7 doesnt just protect it enhances the whole two-stroke experience. It provides the perfect film strength for high-RPM performance while keeping internal parts clean and cool. With JASO FD and ISO-L-EGD certifications, its proven to meet the highest standards for detergency and reliability. Whether youre carving singletrack, commuting through town, or racing the weekend, Si-7 delivers consistent, clean power that keeps your bike feeling fresh and fast.

Key Features:

• Clean-burning, synthetic ester for injector/auto-lube or pre-mix applications
• Provides a high level of protection and performance for all 2-stroke engines
• Formulated to reduce smoke and carbon residue
• For 2T engines

Technical Data Sheet