Bel-Ray SI-7 Full Synthetic 2T Engine Oil

Item # : 84897

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  • Manufacturer: Bel-Ray


Bel-Ray SI-7 Full Synthetic 2T Engine Oil

Bel-Ray Si-7 Full Synthetic 2T Engine Oil is specifically formulated for use in injector/autolube systems, but can be used as premix. The oil is formulated to eliminate smoke and carbon residue while providing the highest level of protection for all 2-stroke engines. Bel-Ray Si-7 Full Synthetic 2T Engine Oil meets API TC, JASO FD and ISO L-EGD performance classifications ensuring the highest level of detergency for better performing, longer running engines.


  • For injector/autolube systems or premix in ratios recommended by the engine manufacturer, between 20:1 and 50:1
  • Equally suitable for air-cooled or liquid-cooled high performance 2-stroke motorcycle engines
  • For best performance and protection of high performance engines operating over a wide temperature range at high rpm and high loads or at idling speeds

Features and Benefits:

  • Fully synthetic - Fully synthetic formula for maximum engine protection and performance.
  • Superior anti-wear Reduces cylinder and ring wear. Reduces bearing wear for longer engine service life.
  • Superior deposit control - Cleans existing deposits. Reduces gum and varnish formation on pistons and ports. Prevents carbon build-up in piston ring lands and grooves for better compression.
  • Superior combustibility - Cleaner burning and smokeless. Eliminates spark plug fouling, pre-ignition, exhaust port plugging.
  • Superior film strength - The oil clings to the metal surfaces to minimize friction and piston scuffing for maximum power.

General Description:

Bel-Ray Si-7 Full Synthetic 2T Engine Oil offers exceptional film strength for superior wear protection. It improves ring seal for maximum compression. Bel-Ray Si-7 Full Synthetic 2T Engine Oil is formulated for total combustion, eliminating plug fouling and deposit build-up that can cause ring sticking, a major factor in engine failure and power loss.


    API Service
  • Category TC
  • JASO
  • Performance Classification FD
  • ISO
  • Performance Classification L-EGD
  • Mixing
  • Instructions: This product is formulated for a gas/oil injection or premix ratio ranging between 20:1 and 50:1.
  • Product No. 99440