Best Dual Fuel Generator Conversion Kit (2026): 4 Kits Compared

HIPA lists this kit as a tri-fuel carburetor conversion running on gasoline, propane (LPG) and natural gas (CNG), with a 3-position rotary switch with an OFF setting to prevent gas leaks and a manual choke lever for cold starts. It is a direct replacement for standard manual choke carburetors, fitting Honda GX340, GX390, GX420 and GX460 engines and their clones, plus Champion 338cc, 389cc and 439cc models, Predator 420cc models, Generac GP series models, Ford 420cc models, Westinghouse 6000-7500W models, Ford 420cc 6500W models and Powermate models. The compatibility note asks the buyer to verify engine displacement, original carburetor style and clearance in the engine compartment before ordering.

Who it's for: owners of a 340cc to 460cc Honda clone engine generator who want gasoline, propane and natural gas from one carburetor. Who should skip it: anyone whose generator lacks a standard manual choke carburetor, or anyone who wants a stated warranty term.

Its Solar Score of 9.6/10 comes from performance 30/35, build 21/25, value 21/25, safety 5/10 and warranty 0/5: 77 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 3 November 2026. Performance figures are manufacturer rated.

What this listing states. 3-position rotary switch with OFF setting to prevent gas leaks stated, so safety scores 5 of 10. No warranty term, so warranty scores zero. See How We Pick.

Inverter limits. Stay within the stated continuous watts (surge watts last only a moment), use the cable size and fuse the manual gives, ventilate it, and never connect an inverter to home wiring yourself; that is work for a licensed electrician.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

Hutch Mountain lists this kit for an existing Honda EU2000i, adding gasoline, propane and natural gas compatibility with OEM-style components. Installation uses basic tools and a photo-based manual, with setup in under an hour, and the listing states cold starts in 1-3 pulls with smooth operation. The kit weighs 1.86 pounds and measures 6.61 inches by 8.27 inches by 12.13 inches.

Who it's for: Honda EU2000i owners who want propane and natural gas alongside gasoline with a photo-based manual. Who should skip it: anyone without an EU2000i, or anyone who wants a stated warranty term.

Its Solar Score of 9.5/10 comes from performance 29/35, build 21/25, value 21/25, safety 0/10 and warranty 0/5: 71 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 3 November 2026. Performance figures are manufacturer rated.

What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.

Inverter limits. Stay within the stated continuous watts (surge watts last only a moment), use the cable size and fuse the manual gives, ventilate it, and never connect an inverter to home wiring yourself; that is work for a licensed electrician.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

Hutch Mountain lists this kit for an existing Honda EU2200i, adding gasoline, propane and natural gas compatibility with OEM-style components. Installation uses basic tools and a photo-based manual, with setup in under an hour, and the listing states cold starts in 1-3 pulls with smooth operation. The listing gives no weight or dimensions for this kit.

Who it's for: Honda EU2200i owners who want propane and natural gas alongside gasoline with a photo-based manual. Who should skip it: anyone without an EU2200i, or anyone who wants a stated warranty term.

Its Solar Score of 9.4/10 comes from performance 29/35, build 20/25, value 20/25, safety 0/10 and warranty 0/5: 69 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 3 November 2026. Performance figures are manufacturer rated.

What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.

Inverter limits. Stay within the stated continuous watts (surge watts last only a moment), use the cable size and fuse the manual gives, ventilate it, and never connect an inverter to home wiring yourself; that is work for a licensed electrician.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

YAMAKATO lists this tri-fuel carburetor kit for Honda and clone GX160 and GX200 displacement engines at 196cc, 212cc and 224cc, plus Generac, Champion, Predator and Firman models in the 163cc to 224cc range, with non-asbestos mounting gaskets. Gas pressure requirements are stated: natural gas at 0.29 or 0.37 psi and LPG at 0.40 or 0.55 psi, with a regulator on the tank for LP gas. The spec table model field reads MINI BIKE, while the title and bullets describe a generator carburetor kit, so the title and bullets govern; the kit comes with basic operation instructions only, and basic mechanical ability is needed.

Who it's for: owners of a small 163cc to 224cc generator who want gasoline, propane and natural gas from one carburetor. Who should skip it: anyone with a larger engine, or anyone who wants a photo-based manual.

Its Solar Score of 9.4/10 comes from performance 28/35, build 19/25, value 20/25, safety 0/10 and warranty 0/5: 67 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 3 November 2026. Performance figures are manufacturer rated.

What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.

Inverter limits. Stay within the stated continuous watts (surge watts last only a moment), use the cable size and fuse the manual gives, ventilate it, and never connect an inverter to home wiring yourself; that is work for a licensed electrician.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.