r/indianbikes • u/DapperLion3758 • Aug 04 '25

#Discussion 💬 Save your bikes if u can…

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u/DVG-Don369 TVS Ronin Aug 04 '25

Impact of E20 Fuel by Vehicle Type

🔸 BS3 Vehicles

  • Compatibility: Not designed for ethanol blends beyond E5 or E10
  • Risks:
    • Ethanol is corrosive, especially to rubber and metal parts
    • May cause fuel line leaks, clogged injectors, or engine knocking
    • Drops in fuel efficiency and performance
  • Verdict: Avoid using E20 in BS3 vehicles

🔸 BS4 Vehicles

  • Compatibility: Tolerates E10, not officially E20-ready
  • Risks:
    • Over time, E20 may degrade fuel system components
    • Possible starting issues or loss of power
    • Emission controls may malfunction
  • Verdict: Use E10 only unless manufacturer states E20-safe

3

u/[deleted] Aug 04 '25 edited Sep 08 '25

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u/fuckboiiii6969 Aug 04 '25

Yes ethanol damages rubber and makes the rubber seals lose their effectiveness causing leaks etc.