what r the 2 small wires for,coming out the bottom of the carb?

Don't hook up the wires, just shut off the manual gasoline shut off valve, when using propane. Whatever you do don't accidently leave the solenoid energized for an extended length of time. I did. Generator was shut down, but ignition was accidently left on. 46 hours later solenoid overheated or arced and ignited gasoline in bowl of carb. Fire followed rubber gas line, melted plastic gasoline shut off valve, drained and burned fuel from tank. Big Fire! Luckily the generator was outside and not in the garage. See picture of generator with my One Star Review of this carb. Cost me about $200. for a new gas tank Recoil engine cover Air Cleaner magneto, Ignition switch. I did buy another exact same carb. Runs great! Just cut the wires off!!!!

How does the propane stop entering the carb when engine dies?

The carb has a shut off switch for the gas

What should be the setting for the brass screw for lpg?

Propane is 1.5 turns out on the regulator. Natural gas is 3.5

Will this work on natural gas out of the box and where is the office located it's going on predator 9000

Adjust the mixture screw. About 3.5 turns out from all the way in for natural gas.

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Generator Dual Fuel Carburetor LPG CNG Conversion kit 4.5-5.5KW GX390 188F Manual Choke

Generator Dual Fuel Carburetor LPG CNG Conversion kit 4.5-5.5KW GX390 188F Manual Choke

Product ID: 409697498

Details

Brand
Hipa
Colour
Black Grey
Fuel Type
LPG CNG
Included Components
HIPA GX390 kit
Output Wattage
5.5 Kilowatts
Power Source
gas-powered

⚡4.5-5.5KW power output

⛽Dual fuel: LPG & CNG compatible

🔧Pressure regulating valve for smooth gas flow

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€ 179.18

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your future smarter, cleaner, and cheaper!

PLUG PLAY UPGRADE - Easy installation with no loss of original generator power—upgrade your setup effortlessly.
DUAL FUEL FLEXIBILITY - Seamlessly switch between LPG and CNG to cut fuel costs by up to 80%.
DURABILITY LONGEVITY - Soft gas combustion prevents oil dilution, extending your generator’s lifespan.
ECO FRIENDLY OPERATION - Reduces CO emissions by over 90% and HC emissions by 70% for cleaner energy.
POWER MEETS EFFICIENCY - Delivers a robust 4.5-5.5KW output without compromising fuel economy.

The HIPA GX390 Dual Fuel Carburetor Conversion Kit transforms your gasoline generator into a versatile LPG/CNG powerhouse delivering 4.5-5.5KW. It optimizes fuel efficiency by enabling smooth low-pressure gas supply, drastically cuts harmful emissions, and extends engine life by preventing oil contamination. Designed for easy installation and reliable performance, it’s the smart upgrade for eco-conscious professionals seeking cost-effective, portable power solutions.

Specifications

ASIN	B019RLSJQ4
Best Sellers Rank	#370,268 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #307 in Generators
Brand	Hipa
Brand Name	Hipa
Compatible with Vehicle Type	Car
Country of Origin	USA
Customer Reviews	4.5 out of 5 stars 611 Reviews
Fuel Type	LPG, CNG, Gasoline
Manufacturer	HIPA
Model	GX340 GX390 GX420 GX460
Recommended Uses For Product	Residential, Emergency
UPC	712319635513
Vehicle Service Type	Car
What Is In the Box	HIPA GX390 dual fuel carburetor, gasket, LPG/CNG conversion kit

Reviews

D**E

Simple Install (May Need Mods)

5.04.2025

P**F

Merveilleux

Sa fonctionne super bien

23.01.2021

B**R

Worked Great on Power Stroke 6000 Generator

27.02.2026

Y**I

Works great; fabrication skills help.

11.09.2021

G**S

Works perfect with the Predator 8750 WITH SOME SLIGHT MODIFICATIONS!

29.12.2020

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

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