A few hundred Keystone RV owners may be hauling around a fire risk, thanks to generator fuel lines that were installed backward—an error that could feed fuel into the wrong side of the carburetor and potentially turn a toy hauler into a bonfire.
Keystone RV Company (Keystone) is recalling certain 2025 Fuzion and Raptor toy hauler recreational trailers. The generator’s fuel and vapor hoses may have been reversed during installation. Incorrectly connected hoses can feed fuel into the incorrect side of the carburetor, increasing the risk of a fire.
Keystone reckons 424 rigs may be affected. Keystone’s backward fuel lines were spotted after a customer complaint.
Keystone’s backward fuel lines remedy
Dealers will correct the hose placement, free of charge. The notification schedule has not yet been decided. Owners may contact 1-866-425-4369. Keystone’s number for this recall is 25-471.
Why wasn’t this noticed before?
Considering the long period of time where these fuel lines were installed backwards, one wonders why there were no earlier complaints. The production error began on rigs built August 12, 2024, and ran on through to May 5, 2025. Oddly enough, Keystone says in its report to NHTSA that they received but one consumer complaint.
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Errors like this are truly disheartening. It is evident that assembly workers were not trained in the specific task to which they were assigned. I can imagine that a harried manager may have lost an employee doing a certain job and asked someone else to step in without realizing the task at hand was not obvious. Often times people in charge don’t know how to do the work performed by their employees. I know this to be true. As an aerospace technical writer, I could perform the analysis and create text and illustrations for technical manuals that were beyond the capabilities of the people that I worked for. I also sometimes identified engineering errors.