This dust cap set is supplied to protect the carburettor inlet of compatible O.S. glow engines from dust and debris. It is designed for storage and transit use, offering a reliable seal and durable construction rather than any engine performance benefit.
Use only with the engine codes listed in the product name and double-check your engine code prior to fitting. Fitting is manual: place the cap over the intake and press until it sits firmly; do not force the cap onto an incompatible opening to avoid damage.
The caps are a simple maintenance and storage accessory and do not change tuning or internal engine configuration. Inspect the caps for wear and cleanliness before each reuse to maintain an effective seal.
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