My little air compressor took a dive in the back of my car going around a corner. I lost the filter, it snapped clean off leaving the thread in the side of the head of the pump. After extracting the thread I worked out it was just a 15mm BSP thread. I could work with that and get clean air into my tank again very cheaply.

Here's how.....

Step 1: Method

What you'll need:

15-20 or 15-25BSP threaded poly nipple
Pit Bike pod filter, if you have to buy one, get the one with the smallest opening, for a 50cc is best.
a little bit of silicone

How to get it done: