BYGEN 4T SYNTHETIC 20W50 SN is a Multi-Grade High Mileage Engine Oils that engineered for ultimate performance and designed to provide outstanding engine protection and performance for all kinds of modern bikes. It been formulated with synthetic, hydro-treated, paraffinic base oils and technologically advanced additive system.

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GP BYGEN SYNTHETIC 20W50 meets or exceeds the following specifications:

  • API SN
  • JASO MA & MA2


  • Reduced friction for excellent protection against engine wear.
  • Highly resistant to viscosity and thermal breakdown from extended high temperature operation.
  • Reduced internal engine friction for improved fuel economy.
  • Reduces combustion blow-by and oil leakage for reduced overall consumption.
Sr. No Characteristics
1 Appearance B & C
2 Color L 2.5
3 Density @ 15 C, g/ml 0.87
4 Viscosity @ 40 C, cSt 148.86
5 Viscosity @ 100 C, cSt 19.24
6 Viscosity Index 148
7 TBN, mg KOH/gm 9.6
8 Flash Point, COC, C 228
9 Pour Point, C -39
10 CCS Viscosity (mPa•s) <9500

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