• Koso DB016120 high flow fuel injector for 2022+ Honda Grom and Monkey 125
  • Koso high flow injector in its retail packaging
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Scooterworks

Koso 120cc High Flow Fuel Injector for 2022+ Honda Grom & Monkey 125

Koso 120cc High Flow Fuel Injector for 2022+ Honda Grom & Monkey 125

$168.00 USD
$168.00 USD
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Shipping calculated at checkout.

A larger injector for engines built beyond stock. Rated at 120cc/min, it is a drop-in replacement for the OEM injector on 2022+ Grom and Monkey 125, using the factory connector and seals.

🔍 Does this fit your bike?

  • Honda Grom 125 and Monkey 125, 2022 and newer only.
  • Koso part number DB016120, 120cc/min.
  • Suited to 150cc+ big bore builds.

⚠️ Before you order

  • No returns on performance parts — please double-check your model year and fitment before ordering.
  • Not for earlier Groms.
  • A tune is recommended when changing injector size.
  • Not intended for use on public roads or land.

✓ What's in the box

  • High flow fuel injector
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