This dust cap set is made to protect the carburettor inlet on compatible O.S. glow engines from dust and contaminants. It is intended for storage and transport protection, focusing on a reliable fit and good durability rather than any tuning benefit.
Compatibility is restricted to the model codes listed in the product name so check your engine code before fitting. To fit, place the cap over the carburettor inlet and press gently until it seats; do not force it onto an incorrect opening to avoid harm to the cap or carburettor.
The caps serve as a maintenance and storage aid only and do not change engine settings or performance. Regularly clean and inspect the caps for wear and replace them if the sealing surface is compromised.
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