John Deere Gator Hpx Carburetor Diagram |top| Instant

Check the accelerator pump diaphragm (#14). A torn diaphragm allows air to be sucked into the carb instead of fuel, creating a lean mixture. When you open the throttle suddenly, the lean mix ignites in the intake manifold. Fix: Replace the diaphragm (part # MIA12345). The diagram shows the diaphragm orientation—the raised nub on the rubber must face the engine side.

Yes, but beware. Cheap eBay carburetors often have incorrect jet sizes. Use genuine Keihin or John Deere if possible. If using aftermarket, swap your original jets into the new body.