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North UK

Sorry i delayed,  to answer you, i would start by fixing the bike using the suggestions mentioned in my past comments.

The pump sits at the rear of the frame, it doesn’t touch the engine.  Also the bike in your profile image suggests that it’s naked enough to allow enough air flow all over the bike anyways.

Replacing the pump is usually the last resort, it tends to last a long while when its well maintained.

// Meditation doesn't mean you have to sit still....