Answering the buyer’s search intent, this guide highlights reliable LPG and dual-fuel conversion options for small engines and generators. The selections are suited for hobbyists, workshop users, and professionals who want to run generators on LPG or dual fuels. Each product is evaluated for compatibility with common GX-series, Predator, Champion, Generac, and related engines, with practical notes on suitability and limitations. The table below provides a quick reference to the featured items.
| Product | Brand | Best For | Key Note |
|---|---|---|---|
| YAMAKATO Dual Tri Fuel Carburetor | YAMAKATO | Large displacement generators (196cc–224cc) | Tri-fuel options; for some Champion models |
| Carburetor Dual Fuel Conversion Kit For Honda GX160 GX200 | HAISHINE | Honda GX160/GX200 and 168F/170F engines | Detailed package; read full description |
| Liquid Propane Conversion Kit for Miller Bobcat Welder | Impco | Welding generators and propane-ready setups | Complete dual-fuel kit; propane or gasoline |
| Hipa GX390 Dual Fuel Carburetor | Hipa | GX390-based generators and Predator/Champion models | Broad compatibility; multiple GX variants listed |
| YAMAKATO 389cc–420cc Tri Dual Generator Carburetor | YAMAKATO | Generac, Predator, Champion, Duromax and more | OEM-grade tri/dual fuel kit for larger engines |
| AUTOKAY Dual Fuel Carburetor for GX390 | AUTOKAY | GX390 GX340 GX420 generators | Gasoline to LPG/CNG capability; solid mid-range option |
| Carburionix GX390 Dual Fuel Kit | Carburionix | GX390–GX420 engines | 5–8KW output focus; robust dual-fuel carb |
YAMAKATO Dual Tri Fuel Carburetor for Predator and Champion Generators
The YAMAKATO kit is a tri-fuel carburetor designed for Honda GX160/GX200 displacement ranges and other 196–224cc generators. It supports gasoline to natural gas conversions and includes non-asbestos mounting gaskets. Best for mid-sized portable generators in need of flexible fuel options. A limitation is its specific compatibility noted for certain Champion models and similar engines.
HAISHINE Carburetor Dual Fuel Conversion Kit for Honda GX Series
This dual fuel kit targets Honda GX160/GX200 engines and compatible Chinese variants such as 168F and 170F. It includes a carburetor assembly and rod, enabling LPG or gasoline operation. Best for owners of smaller GX engines seeking a straightforward conversion. A note: verify detailed compatibility in the product description before purchase.
Impco Liquid Propane Conversion Kit for Welder Generators
The Impco kit provides complete dual-fuel capability for Miller Bobcat welder generators, designed to run on propane or gasoline. It is intended for direct hookup to a liquid forklift tank. Best for industrial users and welding applications that require reliable propane operation. A limitation is its welding-specific design, which may require additional integration considerations for non-welding generators.
Hipa GX390 Dual Fuel Carburetor for LPG & CNG Conversion
Hipa’s dual fuel carburetor supports GX390-based portable generators and includes broad compatibility with GX340/GX420 variants and Predator/Champion models. Best for users needing a versatile, mid-to-high power solution. A potential limitation is the breadth of listed compatibility; verify exact engine match before purchase.
YAMAKATO Tri Fuel Carburetor for Larger Engines
This YAMAKATO kit targets 389cc to 420cc engines and supports Tri Dual fuel configurations for Generac, Predator, Champion, and more. Best for larger portable generators needing flexible fuel options. A caution: ensure compatibility with your exact model as listed in the product details.
AUTOKAY Dual Fuel Carburetor for GX390
AUTOKAY offers a dual fuel carburetor designed for GX390 engines, with LPG and NG conversion in mind and an air filter/spacer kit. Best for GX390-based 4.5–6KW generators. A note: the listed output and consumption figures should be treated as rough estimates and validated against your generator’s requirements.
Carburionix GX390 Dual Fuel Kit
Carburionix provides a dual fuel kit for GX390–GX420 engines, intended for 5–8KW output. It is suitable for Honda GX390, GX340, and GX420-based generators. Best for users seeking a robust, mid-range dual-fuel solution. A limitation is the need to confirm exact model compatibility prior to purchase.
Buying Guide: Key Considerations for Small Engine LPG Conversions
- Engine compatibility: Confirm model numbers, displacement, and generator type (GX series, Predator, Champion, Generac, etc.).
- Fuel type and availability: Decide whether tri-fuel, dual-fuel, or LPG-only best meets your use-case and fuel access.
- Installation scope: Some kits are complete carburetor assemblies; others require additional hoses or tanks. Assess whether you need professional installation.
- Gasket and seal quality: Look for non-asbestos gaskets and OEM-style components for reliability and safety.
- Regulatory and safety notes: LPG and CNG systems involve pressurized fuel; ensure proper mounting, venting, and leak checks during installation.
- Maintenance: Identify whether the kit includes filters, spacers, or maintenance-friendly design for long-term operation.
Frequently Asked Questions
- What is a tri-fuel carburetor?
Answer: A carburetor that can run on more than one type of fuel (gasoline, LPG, CNG) enabling flexibility. - Is a dual-fuel kit suitable for all generators?
Answer: Not universally; verify engine displacement, mounting compatibility, and fuel supply. - Do these kits require professional installation?
Answer: Some kits are straightforward to install, while others may benefit from professional setup. - What fuels are typically supported?
Answer: Gasoline and LPG/CNG, with some kits supporting LNG per listed specifications. - How do I check compatibility with my model?
Answer: Cross-check the engine model number, displacement, and the list of compatible generators in the product description. - Are these kits compliant with safety standards?
Answer: Safety compliance depends on installation and local regulations; follow manufacturer instructions.