A camp stove is one of the most forgiving pieces of outdoor gear, right up until it is not. A clogged jet, a sticky valve, or a season of damp storage can turn a reliable burner into a sputtering, yellow-flamed frustration at the exact moment you want dinner. The good news is that almost all of this is preventable with a few minutes of care after each trip.

Maintenance starts with understanding what actually gets dirty. Burnt food, spilled fuel, dust, and moisture all find their way into a stove. The burner head collects carbon, the jet collects tiny deposits, and seals dry out or swell depending on the fuel and storage conditions. None of this needs specialist tools, but it does need a routine.

The single most useful habit is a quick clean while the stove is still warm from the trip, not weeks later when grime has hardened. Let the stove cool enough to handle safely, wipe the burner and pot supports with a damp cloth, and check the fuel line and connections for leaks or cracks. A stove put away clean is a stove that works next time.

For liquid-fuel stoves, the jet deserves special attention. If the flame turns yellow, uneven, or weak, the jet is the first suspect. Most stoves include a cleaning needle or allow the jet to be removed for a gentle clean. Never force a wire through a jet that is not designed for it, and never enlarge the opening. A damaged jet is harder to fix than a dirty one.