Ecotrons_EFI_GY6_Installation_Manual.pdf

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Small engine EFI conversion kits - installation manual-v2_1
SE-EFI
Small Engine Electronic Fuel Injection
– Conversion Kit
Installation Manual
ECOTRONS LLC
V2.1
Note: this manual is written based on a conversion
with a GY6 scooter engine, but it can also be used as
guidelines for all other small engines. Some common
sense shall be used to convert different engines. If you
are not sure about any specific details, please contact
us at
info@ecotrons.com.
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Small engine EFI conversion kits - installation manual-v2_1
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ALL RIGHTS RESERVED
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Small engine EFI conversion kits - installation manual-v2_1
SE-EFI Kit
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Small engine EFI conversion kits - installation manual-v2_1
Introduction
SE-EFI is an Electronic Fuel Injection conversion kit for small engines. It can be a
bolt-on EFI kit to a lot of small engines used on variant applications: motorcycles,
scooters, ATVs, Go-Carts, boats, snowmobiles, etc. The displacements of the
engines can be in the range of 35cc up to 1200cc. This kit replaces the OEM’s
carbureted fuel system completely, and it requires the minimum modifications of
the engine. It could be a plug-and-play EFI kit for some popular small engines like
GY6 engines, or monkey bike engines in the range of 50cc, 125cc, 150cc; 180cc,
etc. For many other engines, you may need to do some mechanical fittings, and
fine tuning. But at least you get a pre-loaded software with the kit that will start and
run your engine after you install it. The ECU is fully programmable, and tuning is
made easy for those who are interested, and the tuning software is free,
downloadable.
This EFI kit has below features:
Electronic fuel injection (EFI)
Quick engine start even at cold temperatures
More power and torque than the carbureted version
High fuel efficiency and low carbon emissions
Decel-fuel-cut-off
OBD - on board diagnosis
Performance tuning for advanced users.
Parts:
1. ECU
2. Harness (including the connectors)
3. Throttle Body and Intake manifold Assembly
Throttle body (including TPS sensor)
Intake manifold (only available for GY6 24mm throttle body)
Fuel injector
4. Fuel pump assembly
Fuel pump (outside of the tank)
Fuel pressure regulator
Fuel filter
High pressure fuel line
Fuel hoses
T-Pipes
Clamps
5. MAP sensor
6. Engine temperature sensor
7. Intake air temperature sensor
8. Oxygen sensor and bungs (optional)
9. Serial communication cable (to a computer)
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Small engine EFI conversion kits - installation manual-v2_1
10.CD for tuning software (downloadable from our website)
11.CDI – ECU controlled (optional, you can use your own CDI).
12.Ignition Coil – Either CDI driven or ECU driven inductive type coil (optional )
13.USB adaptor – standard
Note:
the kit needs 12V charging system for power supply.
The charging
requirement is 2.5A current or 45W power as the minimum.
This kit may need
tuning to achieve some desired results.
Though the EFI is meant to have lower emissions than a carb system, this kit is not
certified for any emission regulations. It is the user's responsibility to find out whether
it's legal to use it.
Major components:
ECU
Harness
Throttle body
MAP sensor
Temperature sensors
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